Eduardo Arolas
type: MusicGroup
genre: tango
description: Eduardo Arolas (February 24, 1892 – September 29, 1924) was an Argentine tango bandoneon player, leader and composer. Arolas first learned to play the guitar before learning the bandoneon which beca
popularity: 7
followers: 526
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album: Tango Classics 168: Germaine
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  date published: 2012-05-11
album: La Cordobesita
  type: MusicAlbum
  date published: 2016-07-16
album: La Guitarrita
  type: MusicAlbum
  date published: 2016-08-09
album: Melodías Argentinas
  type: MusicAlbum
  date published: 2022-07-14
album: Al Son de un Tango
  type: MusicAlbum
  date published: 2022-07-17
track: La cachila
track: Papas calientes
track: Una noche de garufa
track: La Cachila

La cachila
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duration: PT2M34S
duration ms: 154177
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by artist: Eduardo Arolas
by artist: Orquesta Osvaldo Pugliese
in album: Entrador (1952-1953)
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  date published: 2018-04-07
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  date published: 2026-07-07T18:39:05Z
audio: La cachila
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Loudness (dB)
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Papas calientes
type: MusicRecording
duration: PT2M17S
duration ms: 137053
explicit: false
by artist: Adolfo Perez (Pocholo)
by artist: Eduardo Arolas
by artist: Orquestra tipica de la Guardia Vieja
in album: Lágrimas y sonrisas (1934-1960)
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  date published: 2017-12-22
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  date published: 2026-07-02T03:55:08Z
audio: Papas calientes
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Una noche de garufa
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duration ms: 149916
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by artist: Ricardo Tanturi
by artist: Orquesta Típica Los Indios
by artist: Alberto Castillo
by artist: Enrique Campos
by artist: Eduardo Arolas
in album: Sombras (1940 - 1950)
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  date published: 2017-04-30
isrc code: CA5KR1552343
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  date published: 2026-07-08T03:22:41Z
audio: Una noche de garufa
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La Cachila
type: MusicRecording
duration: PT2M34S
duration ms: 154080
explicit: false
by artist: Eduardo Arolas
by artist: Polito Hector
by artist: Osvaldo Pugliese
by artist: The Osvaldo Pugliese Orchestra
in album: 50 Best Tango
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  date published: 2011-03-04
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:28:30Z
audio: La Cachila
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch