八千代少年少女合唱団
type: MusicGroup
genre: choral
popularity: 23
followers: 1295
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10ec391500cd7592647b35e976727be68a1f6201eba35180d59ea9d07108d47c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9977246d-13b6-4a5a-a4bf-a17b58914200.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9977246d-13b6-4a5a-a4bf-a17b58914200.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9977246d-13b6-4a5a-a4bf-a17b58914200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x10ec391500cd7592647b35e976727be68a1f6201eba35180d59ea9d07108d47c","name":"八千代少年少女合唱団","registered_at":"2026-06-12T05:21:09Z","symbol":"NIM0198983","token_address":"0x2f698aa725562d305faa7bf0e9e9dce0d1996f88","type":"artist","uuid":"9977246d-13b6-4a5a-a4bf-a17b58914200"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10ec391500cd7592647b35e976727be68a1f6201eba35180d59ea9d07108d47c. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9977246d-13b6-4a5a-a4bf-a17b58914200.json and https://artists.proofprofile.net/proofs/artist/9977246d-13b6-4a5a-a4bf-a17b58914200.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x10ec391500cd7592647b35e976727be68a1f6201eba35180d59ea9d07108d47c","name":"八千代少年少女合唱団","registered_at":"2026-06-12T05:21:09Z","symbol":"NIM0198983","token_address":"0x2f698aa725562d305faa7bf0e9e9dce0d1996f88","type":"artist","uuid":"9977246d-13b6-4a5a-a4bf-a17b58914200"}
album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
  track: 海の声
    type: MusicRecording
    duration: PT3M52S
    duration ms: 232053
    explicit: false
    by artist: 八千代少年少女合唱団
    in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
      type: MusicAlbum
      date published: 2017-12-13
    isrc code: JPCO01732120
    audio: 海の声
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 77.925
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.371
      additional property: Energy
        type: PropertyValue
        value: 0.192
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.969
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.088
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.112
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.179
  track: 花は咲く
    type: MusicRecording
    duration: PT4M55S
    duration ms: 295880
    explicit: false
    by artist: 八千代少年少女合唱団
    in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
      type: MusicAlbum
      date published: 2017-12-13
    isrc code: JPVI01504240
    audio: 花は咲く
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 79.899
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.462
      additional property: Energy
        type: PropertyValue
        value: 0.199
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.99
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.082
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.346
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.917
  track: ひまわりの約束
    type: MusicRecording
    duration: PT4M37S
    duration ms: 277666
    explicit: false
    by artist: 八千代少年少女合唱団
    in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
      type: MusicAlbum
      date published: 2017-12-13
    isrc code: JPCO01732140
    audio: ひまわりの約束
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 170.938
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.255
      additional property: Energy
        type: PropertyValue
        value: 0.255
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0.97
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.216
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.684
  track: 若い広場
    type: MusicRecording
    duration: PT4M16S
    duration ms: 256360
    explicit: false
    by artist: 八千代少年少女合唱団
    in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
      type: MusicAlbum
      date published: 2017-12-13
    isrc code: JPCO01732160
    audio: 若い広場
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.385
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
  track: レット・イット・ゴー 〜ありのままで〜
  track: YELL
  track: ふるさと
  track: 旅立ちの日に
  track: 君をのせて
  track: Believe
  track: 大切なもの
  track: ゆうき
  track: いのちの歌
  track: 地球星歌 〜笑顔のために〜
  track: いい日旅立ち
album: Spring Seminar2018 新作合唱曲による公開講座より
album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
track: 地球星歌 〜笑顔のために〜
track: いのちの歌
track: 君をのせて
track: ゆうき
track: Believe
track: ひまわりの約束
track: 大切なもの
track: いい日旅立ち
track: 若い広場
track: 鋏 —女声合唱とピアノのための—【女声三部】 教育芸術社オリジナル合唱ピース
track: YELL
track: 海の声
track: 晴天【同声三部】 教育芸術社オリジナル合唱ピース
track: にじのうた【同声三部】 教育芸術社オリジナル合唱ピース
track: 自分の一歩【混四】教育芸術社オリジナル合唱ピース混声編98
track: 無伴奏女声合唱のための 桜の院【女声四部】 教育芸術社オリジナル合唱ピース
track: 我と来て遊べや親のない雀 混声合唱のための【混声四部】 教育芸術社オリジナル合唱ピース
track: くらやみ 混声合唱とピアノのために【混声四部】 教育芸術社オリジナル合唱ピース
track: 花は咲く
track: レット・イット・ゴー 〜ありのままで〜

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 3

Danceability
type: PropertyValue
value: 0.329

Energy
type: PropertyValue
value: 0.261

Speechiness
type: PropertyValue
value: 0.035

Acousticness
type: PropertyValue
value: 0.935

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.097

Valence (Positivity)
type: PropertyValue
value: 0.514

Loudness (dB)
type: PropertyValue
value: -11.02

レット・イット・ゴー 〜ありのままで〜
type: MusicRecording
duration: PT3M45S
duration ms: 225213
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPVI01504780
audio: レット・イット・ゴー 〜ありのままで〜
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.056
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.361
  additional property: Energy
    type: PropertyValue
    value: 0.202
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.225
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.99

YELL
type: MusicRecording
duration: PT3M59S
duration ms: 239786
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732180
audio: YELL
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.698
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.137
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.291
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.517

ふるさと
type: MusicRecording
duration: PT4M38S
duration ms: 278533
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01634860
audio: ふるさと
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 88.567
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.415
  additional property: Energy
    type: PropertyValue
    value: 0.212
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.238
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.802

旅立ちの日に
type: MusicRecording
duration: PT4M34S
duration ms: 274386
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01503710
audio: 旅立ちの日に
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.317
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.184
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.201
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.083

君をのせて
type: MusicRecording
duration: PT3M28S
duration ms: 208573
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01301200
audio: 君をのせて
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.65
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.189
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.122
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.614

Believe
type: MusicRecording
duration: PT4M8S
duration ms: 248853
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732200
audio: Believe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.981
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.272
  additional property: Energy
    type: PropertyValue
    value: 0.233
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.429

大切なもの
type: MusicRecording
duration: PT3M17S
duration ms: 197013
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO00846770
audio: 大切なもの
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.872
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.387
  additional property: Energy
    type: PropertyValue
    value: 0.159
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.125
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.981

ゆうき
type: MusicRecording
duration: PT3M40S
duration ms: 220200
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01536360
audio: ゆうき
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.695
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.453
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.242
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.256

いのちの歌
type: MusicRecording
duration: PT4M6S
duration ms: 246680
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01301240
audio: いのちの歌
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.137
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.27
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.017
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.129
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.012

地球星歌 〜笑顔のために〜
type: MusicRecording
duration: PT4M1S
duration ms: 241640
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732220
audio: 地球星歌 〜笑顔のために〜
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 213.613
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.214
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.337
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.136

いい日旅立ち
type: MusicRecording
duration: PT4M16S
duration ms: 256506
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732240
audio: いい日旅立ち
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 200.128
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.207
  additional property: Energy
    type: PropertyValue
    value: 0.203
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.116
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.54

Spring Seminar2018 新作合唱曲による公開講座より
type: MusicAlbum
date published: 2018-04-18
track: 生まれたよ ぼく【同三】教育芸術社オリジナル合唱ピース同声編100
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242053
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar2018 新作合唱曲による公開講座より
    type: MusicAlbum
    date published: 2018-04-18
  isrc code: JPU971893317
  audio: 生まれたよ ぼく【同三】教育芸術社オリジナル合唱ピース同声編100
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.658
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.264
    additional property: Energy
      type: PropertyValue
      value: 0.129
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.989
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.082
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.072
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.209
track: 混声合唱とピアノのための 冬の陽ざしの【混四】 教育芸術社オリジナル合唱ピース混声編99
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276413
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar2018 新作合唱曲による公開講座より
    type: MusicAlbum
    date published: 2018-04-18
  isrc code: JPU971893321
  audio: 混声合唱とピアノのための 冬の陽ざしの【混四】 教育芸術社オリジナル合唱ピース混声編99
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 67.767
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.2
    additional property: Energy
      type: PropertyValue
      value: 0.146
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.188
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.062
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.652
track: Time 【女三】教育芸術社オリジナル合唱ピース 女声編55
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269680
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar2018 新作合唱曲による公開講座より
    type: MusicAlbum
    date published: 2018-04-18
  isrc code: JPU971893319
  audio: Time 【女三】教育芸術社オリジナル合唱ピース 女声編55
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 85.858
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.296
    additional property: Energy
      type: PropertyValue
      value: 0.129
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.23
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.212
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.424
track: 自分の一歩【混四】教育芸術社オリジナル合唱ピース混声編98
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253226
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar2018 新作合唱曲による公開講座より
    type: MusicAlbum
    date published: 2018-04-18
  isrc code: JPU971893322
  audio: 自分の一歩【混四】教育芸術社オリジナル合唱ピース混声編98
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.572
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.271
    additional property: Energy
      type: PropertyValue
      value: 0.154
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.015
    additional property: Liveness
      type: PropertyValue
      value: 0.203
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.136
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.964
track: 同声三部合唱とピアノのための バベルの塔【同三】教育芸術社オリジナル合唱ピース同声編99
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216240
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar2018 新作合唱曲による公開講座より
    type: MusicAlbum
    date published: 2018-04-18
  isrc code: JPU971893318
  audio: 同声三部合唱とピアノのための バベルの塔【同三】教育芸術社オリジナル合唱ピース同声編99
track: ありったけの夏 【女五】 教育芸術社オリジナル合唱ピース 女声編54

同声三部合唱とピアノのための バベルの塔【同三】教育芸術社オリジナル合唱ピース同声編99
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 74.744
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.287
additional property: Energy
  type: PropertyValue
  value: 0.23
additional property: Speechiness
  type: PropertyValue
  value: 0.08
additional property: Acousticness
  type: PropertyValue
  value: 0.992
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.102
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.155
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.762

ありったけの夏 【女五】 教育芸術社オリジナル合唱ピース 女声編54
type: MusicRecording
duration: PT4M4S
duration ms: 244733
explicit: false
by artist: 八千代少年少女合唱団
in album: Spring Seminar2018 新作合唱曲による公開講座より
  type: MusicAlbum
  date published: 2018-04-18
isrc code: JPU971893320
audio: ありったけの夏 【女五】 教育芸術社オリジナル合唱ピース 女声編54
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.866
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.619

Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
type: MusicAlbum
date published: 2019-04-24
track: 晴天【同声三部】 教育芸術社オリジナル合唱ピース
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206251
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
    type: MusicAlbum
    date published: 2019-04-24
  isrc code: JPU971993301
  audio: 晴天【同声三部】 教育芸術社オリジナル合唱ピース
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 70.947
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.398
    additional property: Energy
      type: PropertyValue
      value: 0.108
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.988
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.137
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.115
track: にじのうた【同声三部】 教育芸術社オリジナル合唱ピース
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236355
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
    type: MusicAlbum
    date published: 2019-04-24
  isrc code: JPU971993302
  audio: にじのうた【同声三部】 教育芸術社オリジナル合唱ピース
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 85.835
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.226
    additional property: Energy
      type: PropertyValue
      value: 0.236
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.988
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.16
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.101
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.545
track: 無伴奏女声合唱のための 桜の院【女声四部】 教育芸術社オリジナル合唱ピース
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268879
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
    type: MusicAlbum
    date published: 2019-04-24
  isrc code: JPU971993303
  audio: 無伴奏女声合唱のための 桜の院【女声四部】 教育芸術社オリジナル合唱ピース
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 75.902
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.182
    additional property: Energy
      type: PropertyValue
      value: 0.057
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.1
    additional property: Liveness
      type: PropertyValue
      value: 0.09
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.04
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.347
track: 鋏 —女声合唱とピアノのための—【女声三部】 教育芸術社オリジナル合唱ピース
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259831
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
    type: MusicAlbum
    date published: 2019-04-24
  isrc code: JPU971993304
  audio: 鋏 —女声合唱とピアノのための—【女声三部】 教育芸術社オリジナル合唱ピース
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.468
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.298
    additional property: Energy
      type: PropertyValue
      value: 0.127
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.993
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.029
    additional property: Liveness
      type: PropertyValue
      value: 0.341
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.063
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.462
track: 我と来て遊べや親のない雀 混声合唱のための【混声四部】 教育芸術社オリジナル合唱ピース
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246828
  explicit: false
  by artist: 八千代少年少女合唱団
  in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
    type: MusicAlbum
    date published: 2019-04-24
  isrc code: JPU971993305
  audio: 我と来て遊べや親のない雀 混声合唱のための【混声四部】 教育芸術社オリジナル合唱ピース
track: くらやみ 混声合唱とピアノのために【混声四部】 教育芸術社オリジナル合唱ピース

我と来て遊べや親のない雀 混声合唱のための【混声四部】 教育芸術社オリジナル合唱ピース
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 81.399
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.21
additional property: Energy
  type: PropertyValue
  value: 0.105
additional property: Speechiness
  type: PropertyValue
  value: 0.061
additional property: Acousticness
  type: PropertyValue
  value: 0.991
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.282
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.07
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.541

くらやみ 混声合唱とピアノのために【混声四部】 教育芸術社オリジナル合唱ピース
type: MusicRecording
duration: PT4M10S
duration ms: 250601
explicit: false
by artist: 八千代少年少女合唱団
in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
  type: MusicAlbum
  date published: 2019-04-24
isrc code: JPU971993306
audio: くらやみ 混声合唱とピアノのために【混声四部】 教育芸術社オリジナル合唱ピース
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.101
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.212
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.339
  additional property: Liveness
    type: PropertyValue
    value: 0.243
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.21

地球星歌 〜笑顔のために〜
type: MusicRecording
duration: PT4M1S
duration ms: 241640
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732220
audio: 地球星歌 〜笑顔のために〜
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 213.613
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.214
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.337
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.136

いのちの歌
type: MusicRecording
duration: PT4M6S
duration ms: 246680
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01301240
audio: いのちの歌
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.137
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.27
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.017
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.129
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.012

君をのせて
type: MusicRecording
duration: PT3M28S
duration ms: 208573
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01301200
audio: 君をのせて
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.65
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.189
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.122
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.614

ゆうき
type: MusicRecording
duration: PT3M40S
duration ms: 220200
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01536360
audio: ゆうき
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.695
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.453
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.242
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.256

Believe
type: MusicRecording
duration: PT4M8S
duration ms: 248853
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732200
audio: Believe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.981
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.272
  additional property: Energy
    type: PropertyValue
    value: 0.233
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.429

ひまわりの約束
type: MusicRecording
duration: PT4M37S
duration ms: 277666
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732140
audio: ひまわりの約束
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.938
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.255
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.216
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.684

大切なもの
type: MusicRecording
duration: PT3M17S
duration ms: 197013
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO00846770
audio: 大切なもの
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.872
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.387
  additional property: Energy
    type: PropertyValue
    value: 0.159
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.125
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.981

いい日旅立ち
type: MusicRecording
duration: PT4M16S
duration ms: 256506
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732240
audio: いい日旅立ち
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 200.128
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.207
  additional property: Energy
    type: PropertyValue
    value: 0.203
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.116
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.54

若い広場
type: MusicRecording
duration: PT4M16S
duration ms: 256360
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732160
audio: 若い広場
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.385
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.329
  additional property: Energy
    type: PropertyValue
    value: 0.261
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.514
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.02

鋏 —女声合唱とピアノのための—【女声三部】 教育芸術社オリジナル合唱ピース
type: MusicRecording
duration: PT4M19S
duration ms: 259831
explicit: false
by artist: 八千代少年少女合唱団
in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
  type: MusicAlbum
  date published: 2019-04-24
isrc code: JPU971993304
audio: 鋏 —女声合唱とピアノのための—【女声三部】 教育芸術社オリジナル合唱ピース
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.468
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.298
  additional property: Energy
    type: PropertyValue
    value: 0.127
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.029
  additional property: Liveness
    type: PropertyValue
    value: 0.341
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.462

YELL
type: MusicRecording
duration: PT3M59S
duration ms: 239786
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732180
audio: YELL
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.698
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.137
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.291
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.517

海の声
type: MusicRecording
duration: PT3M52S
duration ms: 232053
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPCO01732120
audio: 海の声
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 77.925
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.371
  additional property: Energy
    type: PropertyValue
    value: 0.192
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.112
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.179

晴天【同声三部】 教育芸術社オリジナル合唱ピース
type: MusicRecording
duration: PT3M26S
duration ms: 206251
explicit: false
by artist: 八千代少年少女合唱団
in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
  type: MusicAlbum
  date published: 2019-04-24
isrc code: JPU971993301
audio: 晴天【同声三部】 教育芸術社オリジナル合唱ピース
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 70.947
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.398
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.137
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.115

にじのうた【同声三部】 教育芸術社オリジナル合唱ピース
type: MusicRecording
duration: PT3M56S
duration ms: 236355
explicit: false
by artist: 八千代少年少女合唱団
in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
  type: MusicAlbum
  date published: 2019-04-24
isrc code: JPU971993302
audio: にじのうた【同声三部】 教育芸術社オリジナル合唱ピース
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 85.835
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.226
  additional property: Energy
    type: PropertyValue
    value: 0.236
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.16
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.101
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.545

自分の一歩【混四】教育芸術社オリジナル合唱ピース混声編98
type: MusicRecording
duration: PT4M13S
duration ms: 253226
explicit: false
by artist: 八千代少年少女合唱団
in album: Spring Seminar2018 新作合唱曲による公開講座より
  type: MusicAlbum
  date published: 2018-04-18
isrc code: JPU971893322
audio: 自分の一歩【混四】教育芸術社オリジナル合唱ピース混声編98
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.572
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.271
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.203
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.964

無伴奏女声合唱のための 桜の院【女声四部】 教育芸術社オリジナル合唱ピース
type: MusicRecording
duration: PT4M28S
duration ms: 268879
explicit: false
by artist: 八千代少年少女合唱団
in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
  type: MusicAlbum
  date published: 2019-04-24
isrc code: JPU971993303
audio: 無伴奏女声合唱のための 桜の院【女声四部】 教育芸術社オリジナル合唱ピース
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 75.902
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.182
  additional property: Energy
    type: PropertyValue
    value: 0.057
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.1
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.347

我と来て遊べや親のない雀 混声合唱のための【混声四部】 教育芸術社オリジナル合唱ピース
type: MusicRecording
duration: PT4M6S
duration ms: 246828
explicit: false
by artist: 八千代少年少女合唱団
in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
  type: MusicAlbum
  date published: 2019-04-24
isrc code: JPU971993305
audio: 我と来て遊べや親のない雀 混声合唱のための【混声四部】 教育芸術社オリジナル合唱ピース
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 81.399
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.105
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.282
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.07
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.541

くらやみ 混声合唱とピアノのために【混声四部】 教育芸術社オリジナル合唱ピース
type: MusicRecording
duration: PT4M10S
duration ms: 250601
explicit: false
by artist: 八千代少年少女合唱団
in album: Spring Seminar 2019 新作合唱曲による公開講座より [教育芸術社]
  type: MusicAlbum
  date published: 2019-04-24
isrc code: JPU971993306
audio: くらやみ 混声合唱とピアノのために【混声四部】 教育芸術社オリジナル合唱ピース
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.101
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.212
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.339
  additional property: Liveness
    type: PropertyValue
    value: 0.243
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.21

花は咲く
type: MusicRecording
duration: PT4M55S
duration ms: 295880
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPVI01504240
audio: 花は咲く
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 79.899
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.462
  additional property: Energy
    type: PropertyValue
    value: 0.199
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.346
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.917

レット・イット・ゴー 〜ありのままで〜
type: MusicRecording
duration: PT3M45S
duration ms: 225213
explicit: false
by artist: 八千代少年少女合唱団
in album: 響け歌声 ビューティフル・コーラス 〜海の声・花は咲く・ひまわりの約束〜
  type: MusicAlbum
  date published: 2017-12-13
isrc code: JPVI01504780
audio: レット・イット・ゴー 〜ありのままで〜
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.056
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.361
  additional property: Energy
    type: PropertyValue
    value: 0.202
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.225
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.99