Tracks
| # | Title | Sung by | |
|---|---|---|---|
| A1 | Trifle in C | Henry & Schaeffer | |
| A2 | Fleeting Percussion | Henry | |
| A3 | Mexican Flute | Schaeffer | |
| A4 | Study for Piano | Schaeffer | |
| A5 | Finale of the Concerto of Ambiguities | Henry | |
| A6 | Music Without a Title (5th and 6th Movements) | Henry | |
| A7 | Study for Whirligigs | Schaeffer | |
| B1 | The Veil of Orpheus | Henry | |
| B2 | Railway Study | Schaeffer | |
| B3 | Pathetic Study | Schaeffer | |
| B4 | A Single Sound Source | Schaeffer | |
| B5 | Musical Box | Arthuys |
Source: MusicBrainz release group 49def467-ac91-4221-b856-0b82446c7d13 (CC0). Cover: Cover Art Archive.