Mark Isaacs
type: MusicGroup
genre: hard bop
popularity: 10
followers: 275
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  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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-19T03:22:39Z
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album: For Sure
  type: MusicAlbum
  date published: 1993-06-04
  track: For Sure
    type: MusicRecording
    duration: PT7M37S
    duration ms: 457560
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    by artist: Mark Isaacs
    in album: For Sure
      type: MusicAlbum
      date published: 1993-06-04
  track: Never Too Far Away
    type: MusicRecording
    duration: PT6M7S
    duration ms: 367200
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    by artist: Mark Isaacs
    in album: For Sure
      type: MusicAlbum
      date published: 1993-06-04
  track: Giant Steps
    type: MusicRecording
    duration: PT5M12S
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    by artist: Mark Isaacs
    in album: For Sure
      type: MusicAlbum
      date published: 1993-06-04
  track: Las Vegas Tango
    type: MusicRecording
    duration: PT8M5S
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    by artist: Mark Isaacs
    in album: For Sure
      type: MusicAlbum
      date published: 1993-06-04
  track: A Night in Tunisia
    type: MusicRecording
    duration: PT6M9S
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    by artist: Mark Isaacs
    in album: For Sure
      type: MusicAlbum
      date published: 1993-06-04
  track: Heyoke
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    duration: PT8M1S
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    by artist: Mark Isaacs
    in album: For Sure
      type: MusicAlbum
      date published: 1993-06-04
  track: Lucky Southern
    type: MusicRecording
    duration: PT5M42S
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    by artist: Mark Isaacs
    in album: For Sure
      type: MusicAlbum
      date published: 1993-06-04
album: Elders Suite
  type: MusicAlbum
  date published: 1999-02-16
  track: Chorale Prelude: Stella by Starlight
    type: MusicRecording
    duration: PT9M47S
    duration ms: 587627
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    by artist: Mark Isaacs
    in album: Elders Suite
      type: MusicAlbum
      date published: 1999-02-16
  track: Elders Suite Part 1
    type: MusicRecording
    duration: PT5M28S
    duration ms: 328133
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    by artist: Mark Isaacs
    in album: Elders Suite
      type: MusicAlbum
      date published: 1999-02-16
  track: Elders Suite Part 2
    type: MusicRecording
    duration: PT12M48S
    duration ms: 768267
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    by artist: Mark Isaacs
    in album: Elders Suite
      type: MusicAlbum
      date published: 1999-02-16
  track: Elders Suite Part 3
    type: MusicRecording
    duration: PT9M14S
    duration ms: 554000
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    by artist: Mark Isaacs
    in album: Elders Suite
      type: MusicAlbum
      date published: 1999-02-16
  track: Everybody's Song But My Own
    type: MusicRecording
    duration: PT11M2S
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    by artist: Mark Isaacs
    in album: Elders Suite
      type: MusicAlbum
      date published: 1999-02-16
  track: Out of Line
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    duration: PT7M28S
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    by artist: Mark Isaacs
    in album: Elders Suite
      type: MusicAlbum
      date published: 1999-02-16
album: On Reflection
  type: MusicAlbum
  date published: 1999-02-16
  track: Turning
    type: MusicRecording
    duration: PT4M16S
    duration ms: 256693
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    by artist: Mark Isaacs
    in album: On Reflection
      type: MusicAlbum
      date published: 1999-02-16
  track: Travail Blazer
    type: MusicRecording
    duration: PT9M23S
    duration ms: 563133
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    by artist: Mark Isaacs
    in album: On Reflection
      type: MusicAlbum
      date published: 1999-02-16
  track: On Reflection
    type: MusicRecording
    duration: PT8M9S
    duration ms: 489200
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    by artist: Mark Isaacs
    in album: On Reflection
      type: MusicAlbum
      date published: 1999-02-16
  track: Ask First
    type: MusicRecording
    duration: PT6M30S
    duration ms: 390173
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    by artist: Mark Isaacs
    in album: On Reflection
      type: MusicAlbum
      date published: 1999-02-16
  track: Dona Eis Requiem
  track: Keep it in Your Mind
album: Resurgence
album: Tell It Like It Is
album: Air
album: Earth
album: Fire
album: Water
album: AMEB Piano for Leisure Fifth Grade Series 1
album: The Wind in the Willows
album: Hush Collection Volume 12: The Wind in the Willows
album: Encounters
album: Children's Songs
album: Forgotten Fields
album: Intimacies
album: Songs Without Words: 3. The Wind in the Willows
album: Songs Without Words: 2. Walk a Golden Mile
album: Sonata: Solo Piano Works Composed & Performed by Mark Isaacs
album: Grace City
album: It's Over Now
album: Alice (Single Version)
album: Pattern of the Time
album: Mark Isaacs: Symphony No. 2
album: Open Doorway
album: A Voice I Knew
track: Song for My Father
track: 5 Bagatelles: No. 1, Allegretto cantando
track: 5 Bagatelles: No. 2, Moderato
track: 5 Bagatelles: No. 3, Vivace molto pesante
track: 5 Bagatelles: No. 4, Lento dolente
track: 5 Bagatelles: No. 5, Allegro
track: Chopin: Nocturne in D-flat major, Op. 27 No. 2
track: Chopin: Étude in E major, Op. 10 No. 3 (Tristesse)
track: Chopin: Étude in A-flat major, Op. 25 No. 1 (Aeolian Harp)
track: Rachmaninov: Prelude in E-flat major, Op. 23 No. 6
track: Rachmaninov: Prelude in D major, Op. 23 No. 4
track: Rachmaninov: Prelude in G-sharp minor, Op. 32 No. 12
track: Debussy: Arabesque No. 1
track: Satie: Gymnopédie No. 1
track: Poulenc: Intermezzo No. 2 in D-flat major
track: Scriabin: Prelude for the Left Hand, Op. 9 No. 1
track: Scriabin: Prelude, Op. 11 No. 2
track: Scriabin: Étude, Op. 2 No. 1
track: Angel - Arr. for Guitar Quartet by Mark Isaacs
track: First Encounter

Dona Eis Requiem
type: MusicRecording
duration: PT4M59S
duration ms: 299133
explicit: false
by artist: Mark Isaacs
in album: On Reflection
  type: MusicAlbum
  date published: 1999-02-16

Keep it in Your Mind
type: MusicRecording
duration: PT5M43S
duration ms: 343933
explicit: false
by artist: Mark Isaacs
in album: On Reflection
  type: MusicAlbum
  date published: 1999-02-16

Resurgence
type: MusicAlbum
date published: 2007-06-09
track: Walk A Golden Mile
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  duration: PT5M29S
  duration ms: 329386
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-09
track: Waltz For Melanie
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  duration: PT5M24S
  duration ms: 324106
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-09
track: Three Days Of Rain
  type: MusicRecording
  duration: PT4M58S
  duration ms: 298413
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-09
track: Affectionately Yours
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  duration: PT5M10S
  duration ms: 310466
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  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-09
track: Chaconne
  type: MusicRecording
  duration: PT6M3S
  duration ms: 363186
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  in album: Resurgence
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    date published: 2007-06-09
track: Resurgence
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  duration: PT5M57S
  duration ms: 357560
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-09
track: Pentimento
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  duration: PT5M26S
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-09
track: Heal Thyself
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  duration: PT4M36S
  duration ms: 276053
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-09

Resurgence
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date published: 2007-06-10
track: Walk A Golden Mile
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  duration: PT5M29S
  duration ms: 329386
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  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-10
track: Waltz For Melanie
  type: MusicRecording
  duration: PT5M24S
  duration ms: 324106
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-10
track: Three Days Of Rain
  type: MusicRecording
  duration: PT4M58S
  duration ms: 298413
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-10
track: Affectionately Yours
  type: MusicRecording
  duration: PT5M10S
  duration ms: 310466
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-10
track: Chaconne
  type: MusicRecording
  duration: PT6M3S
  duration ms: 363186
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  by artist: Mark Isaacs
  in album: Resurgence
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    date published: 2007-06-10
track: Resurgence
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  duration: PT5M57S
  duration ms: 357560
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  by artist: Mark Isaacs
  in album: Resurgence
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    date published: 2007-06-10
track: Pentimento
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326933
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  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-10
track: Heal Thyself
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276066
  explicit: false
  by artist: Mark Isaacs
  in album: Resurgence
    type: MusicAlbum
    date published: 2007-06-10

Tell It Like It Is
type: MusicAlbum
date published: 2009-05-01
track: Minsk
  type: MusicRecording
  duration: PT12M54S
  duration ms: 774893
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  by artist: Mark Isaacs
  in album: Tell It Like It Is
    type: MusicAlbum
    date published: 2009-05-01
track: You Never Forget Love
  type: MusicRecording
  duration: PT12M16S
  duration ms: 736626
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  by artist: Mark Isaacs
  in album: Tell It Like It Is
    type: MusicAlbum
    date published: 2009-05-01
track: Homecoming
  type: MusicRecording
  duration: PT13M21S
  duration ms: 801760
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  by artist: Mark Isaacs
  in album: Tell It Like It Is
    type: MusicAlbum
    date published: 2009-05-01
track: Night Song, Part 1
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  duration: PT4M2S
  duration ms: 242320
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  by artist: Mark Isaacs
  in album: Tell It Like It Is
    type: MusicAlbum
    date published: 2009-05-01
track: Night Song, Part 2
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159066
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  by artist: Mark Isaacs
  in album: Tell It Like It Is
    type: MusicAlbum
    date published: 2009-05-01
track: Angel
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  duration: PT11M1S
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  in album: Tell It Like It Is
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    date published: 2009-05-01
track: Tell It Like It Is
  type: MusicRecording
  duration: PT16M1S
  duration ms: 961973
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  by artist: Mark Isaacs
  in album: Tell It Like It Is
    type: MusicAlbum
    date published: 2009-05-01
track: Between The Shores
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259706
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  by artist: Mark Isaacs
  in album: Tell It Like It Is
    type: MusicAlbum
    date published: 2009-05-01

Air
type: MusicAlbum
date published: 2010-12-16
track: Haze
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229466
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  by artist: Mark Isaacs
  in album: Air
    type: MusicAlbum
    date published: 2010-12-16
track: Breeze
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207733
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  by artist: Mark Isaacs
  in album: Air
    type: MusicAlbum
    date published: 2010-12-16
track: Atmosphere
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225600
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  by artist: Mark Isaacs
  in album: Air
    type: MusicAlbum
    date published: 2010-12-16
track: Gliding
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208093
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  by artist: Mark Isaacs
  in album: Air
    type: MusicAlbum
    date published: 2010-12-16
track: Stratosphere
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205800
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  by artist: Mark Isaacs
  in album: Air
    type: MusicAlbum
    date published: 2010-12-16
track: Breath
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254106
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  by artist: Mark Isaacs
  in album: Air
    type: MusicAlbum
    date published: 2010-12-16
track: Wind
  type: MusicRecording
  duration: PT5M19S
  duration ms: 319600
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  by artist: Mark Isaacs
  in album: Air
    type: MusicAlbum
    date published: 2010-12-16
track: Vortex
  type: MusicRecording
  duration: PT6M30S
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  by artist: Mark Isaacs
  in album: Air
    type: MusicAlbum
    date published: 2010-12-16
track: Vapours
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  duration: PT5M20S
  duration ms: 320226
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  by artist: Mark Isaacs
  in album: Air
    type: MusicAlbum
    date published: 2010-12-16

Earth
type: MusicAlbum
date published: 2010-12-16
track: Sacred Ground
  type: MusicRecording
  duration: PT5M57S
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  by artist: Mark Isaacs
  in album: Earth
    type: MusicAlbum
    date published: 2010-12-16
track: Land
  type: MusicRecording
  duration: PT4M58S
  duration ms: 298226
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  by artist: Mark Isaacs
  in album: Earth
    type: MusicAlbum
    date published: 2010-12-16
track: Sierra
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260733
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  by artist: Mark Isaacs
  in album: Earth
    type: MusicAlbum
    date published: 2010-12-16
track: Quiet Place
  type: MusicRecording
  duration: PT6M21S
  duration ms: 381666
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  by artist: Mark Isaacs
  in album: Earth
    type: MusicAlbum
    date published: 2010-12-16
track: Earthsong
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256506
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  by artist: Mark Isaacs
  in album: Earth
    type: MusicAlbum
    date published: 2010-12-16
track: Caves
  type: MusicRecording
  duration: PT4M54S
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  by artist: Mark Isaacs
  in album: Earth
    type: MusicAlbum
    date published: 2010-12-16
track: Elementals
  type: MusicRecording
  duration: PT5M32S
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  by artist: Mark Isaacs
  in album: Earth
    type: MusicAlbum
    date published: 2010-12-16
track: To The Centre
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  duration: PT7M11S
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  in album: Earth
    type: MusicAlbum
    date published: 2010-12-16

Fire
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date published: 2010-12-17
track: Flame
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  duration: PT3M7S
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  by artist: Mark Isaacs
  in album: Fire
    type: MusicAlbum
    date published: 2010-12-17
track: Kindling
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210800
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  by artist: Mark Isaacs
  in album: Fire
    type: MusicAlbum
    date published: 2010-12-17
track: Burning
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235266
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  by artist: Mark Isaacs
  in album: Fire
    type: MusicAlbum
    date published: 2010-12-17
track: Sparks
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180533
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  by artist: Mark Isaacs
  in album: Fire
    type: MusicAlbum
    date published: 2010-12-17
track: Furnace
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199160
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  by artist: Mark Isaacs
  in album: Fire
    type: MusicAlbum
    date published: 2010-12-17
track: Inferno
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212266
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  by artist: Mark Isaacs
  in album: Fire
    type: MusicAlbum
    date published: 2010-12-17
track: Smouldering
  type: MusicRecording
  duration: PT9M8S
  duration ms: 548506
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  by artist: Mark Isaacs
  in album: Fire
    type: MusicAlbum
    date published: 2010-12-17
track: Hearth
  type: MusicRecording
  duration: PT9M17S
  duration ms: 557666
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  by artist: Mark Isaacs
  in album: Fire
    type: MusicAlbum
    date published: 2010-12-17

Water
type: MusicAlbum
date published: 2010-12-20
track: Ripples
  type: MusicRecording
  duration: PT4M43S
  duration ms: 283000
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  in album: Water
    type: MusicAlbum
    date published: 2010-12-20
track: Currents
  type: MusicRecording
  duration: PT5M59S
  duration ms: 359200
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  by artist: Mark Isaacs
  in album: Water
    type: MusicAlbum
    date published: 2010-12-20
track: Eddies
  type: MusicRecording
  duration: PT5M18S
  duration ms: 318360
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  in album: Water
    type: MusicAlbum
    date published: 2010-12-20
track: Rapids
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226400
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  by artist: Mark Isaacs
  in album: Water
    type: MusicAlbum
    date published: 2010-12-20
track: Sunshower
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280106
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  in album: Water
    type: MusicAlbum
    date published: 2010-12-20
track: Maritime
  type: MusicRecording
  duration: PT7M5S
  duration ms: 425666
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  by artist: Mark Isaacs
  in album: Water
    type: MusicAlbum
    date published: 2010-12-20
track: Ponds
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228933
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  by artist: Mark Isaacs
  in album: Water
    type: MusicAlbum
    date published: 2010-12-20
track: Loch
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236133
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  in album: Water
    type: MusicAlbum
    date published: 2010-12-20
track: Dew
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277866
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  by artist: Mark Isaacs
  in album: Water
    type: MusicAlbum
    date published: 2010-12-20

AMEB Piano for Leisure Fifth Grade Series 1
type: MusicAlbum
date published: 2011-04-08
track: The Latin Touch BAILEY K
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  duration: PT1M33S
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    type: MusicAlbum
    date published: 2011-04-08
track: Fur Elise BEETHOVEN L van For Elise WoO 59
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  duration: PT2M25S
  duration ms: 145533
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  in album: AMEB Piano for Leisure Fifth Grade Series 1
    type: MusicAlbum
    date published: 2011-04-08
track: Everybodys Blues BOYD B
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  duration: PT1M48S
  duration ms: 108413
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    type: MusicAlbum
    date published: 2011-04-08
track: Prelude CHOPIN F from Preludes Op 28 No 4
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track: To a wild rose MACDOWELL E Op 51 No 1
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track: Consolation MENDELSSOHN F No 3 from Lieder ohne Worte Op 30
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track: Andante Cantabile MOZART WA from Sonata K 330
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track: The heart asks for pleasure first NYMAN M from The Piano
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The Wind in the Willows
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track: This is the place of my song-dream
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track: An Underground Passage
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track: The Hour is Come
track: The Return of Ulysses
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An Underground Passage
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Toad's Song (reprise)
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The Hour is Come
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The Return of Ulysses
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Joy and Contentment
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The River Bank (reprise)
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Hush Collection Volume 12: The Wind in the Willows
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track: Toad's Song
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    type: MusicAlbum
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track: An Underground Passage
track: Toad's Song (reprise)
track: The Hour is Come
track: The Return of Ulysses
track: Joy and Contentment
track: The River Bank (reprise)

An Underground Passage
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Toad's Song (reprise)
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The Hour is Come
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The Return of Ulysses
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Joy and Contentment
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The River Bank (reprise)
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  type: MusicAlbum
  date published: 2012-10-03

Encounters
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track: Exclamation
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Children's Songs
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track: Minuet in G
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track: In Your Own Backyard
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track: Melody in Two Parts
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track: More Games
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track: Bunyip’s Return
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track: Abschied (Nicht)
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Forgotten Fields
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track: Canto
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track: Lacrima I
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track: Lacrima II
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track: Terra Firma
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track: Remembrance
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Intimacies
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track: Chopin: Étude in E major, Op. 10 No. 3 (Tristesse)
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track: Chopin: Étude in A-flat major, Op. 25 No. 1 (Aeolian Harp)
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track: Rachmaninov: Prelude in E-flat major, Op. 23 No. 6
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track: Rachmaninov: Prelude in D major, Op. 23 No. 4
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track: Rachmaninov: Prelude in G-sharp minor, Op. 32 No. 12
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track: Debussy: Arabesque No. 1
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track: Satie: Gymnopédie No. 1
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track: Poulenc: Intermezzo No. 2 in D-flat major
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track: Scriabin: Prelude for the Left Hand, Op. 9 No. 1
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track: Scriabin: Prelude, Op. 11 No. 2
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track: Scriabin: Étude, Op. 2 No. 1
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Songs Without Words: 3. The Wind in the Willows
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Songs Without Words: 2. Walk a Golden Mile
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Sonata: Solo Piano Works Composed & Performed by Mark Isaacs
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track: Songs Without Words: 1. So Many Questions
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track: Songs Without Words: 3. The Wind in the Willows
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track: Songs Without Words: 5. Bagatelle
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track: Songs Without Words: 6. Closer
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track: Theme and Variations on ‘The Snow It Melts the Soonest’
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Grace City
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    date published: 2024-09-09

It's Over Now
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    date published: 2024-10-14

Grace City
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track: Alice
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track: Open Doorway
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track: A Voice I Knew
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Alice (Single Version)
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    date published: 2025-02-03

Pattern of the Time
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    date published: 2025-03-24

Mark Isaacs: Symphony No. 2
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Open Doorway
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A Voice I Knew
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Song for My Father
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5 Bagatelles: No. 1, Allegretto cantando
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5 Bagatelles: No. 2, Moderato
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5 Bagatelles: No. 3, Vivace molto pesante
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5 Bagatelles: No. 4, Lento dolente
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5 Bagatelles: No. 5, Allegro
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Chopin: Nocturne in D-flat major, Op. 27 No. 2
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Chopin: Étude in E major, Op. 10 No. 3 (Tristesse)
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Chopin: Étude in A-flat major, Op. 25 No. 1 (Aeolian Harp)
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Rachmaninov: Prelude in E-flat major, Op. 23 No. 6
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Rachmaninov: Prelude in D major, Op. 23 No. 4
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Rachmaninov: Prelude in G-sharp minor, Op. 32 No. 12
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Debussy: Arabesque No. 1
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Satie: Gymnopédie No. 1
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  date published: 2020-09-11

Poulenc: Intermezzo No. 2 in D-flat major
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Scriabin: Prelude for the Left Hand, Op. 9 No. 1
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Scriabin: Prelude, Op. 11 No. 2
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Scriabin: Étude, Op. 2 No. 1
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  date published: 2020-09-11

Angel - Arr. for Guitar Quartet by Mark Isaacs
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by artist: Guitar Trek
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  type: MusicAlbum
  date published: 2015-10-02

First Encounter
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  date published: 1970-01-01
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