Tracklist
| –Henry Cowell | The Banshee | 2:20 |
| –Henry Cowell | Aeolian Harp | 1:27 |
| –Henry Cowell | Piano Piece (Paris 1924) | 3:59 |
| –John Cage | Sonata I | 2:56 |
| –John Cage | Sonata V | 1:23 |
| –John Cage | Second Interlude | 4:24 |
| –John Cage | Sonata X | 3:45 |
| –John Cage | Sonata XII | 3:44 |
| –Ben Johnston | Sonata For Microtonal Piano - Movement I | 2:43 |
| –Ben Johnston | Sonata For Microtonal Piano - Movement II | 1:38 |
| –Ben Johnston | Sonata For Microtonal Piano - Movement III | 3:55 |
| –Ben Johnston | Sonata For Microtonal Piano - Movement IV | 2:45 |
| –Conlon Nancarrow | Studies For Player Piano - Study #1 | 2:00 |
| –Conlon Nancarrow | Studies For Player Piano - Study #27 | 5:32 |
| –Conlon Nancarrow | Studies For Player Piano - Study #36 | 4:02 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| NW203 | Henry Cowell / John Cage / Ben Johnston / Conlon Nancarrow - Robert Miller | Henry Cowell / John Cage / Ben Johnston / Conlon Nancarrow - Robert Miller - Sound Forms For Piano (LP, Album) | New World Records | NW203 | US | 1976 |
| NW 203 | Robert Miller | Sound Forms For Piano (LP, Album, Whi) | New World Records | NW 203 | US | 1976 |
| 80203-2 | Robert Miller | Sound Forms For Piano (CD, Album, RE) | New World Records | 80203-2 | US | 1995 |
