Tracklist
| A1 | Interpenetration For Two Flutes | 6:48 |
| A2 | Triplicity For Contrabass | 9:05 |
| A3 | Inter-Posi-Play-Tion II | 13:17 |
| B1 | Cosmos Haptic | 6:48 |
| B2 | Projection Topologic | 7:47 |
| B3 | On The Keyboard | 7:03 |
Companies, etc.
- Phonographic Copyright (p) – Denon
Credits
- Contrabass – Fumio Shirato (tracks: Track A2), Naobumi Nishida* (tracks: Track A2), Yasunori Kawahara (tracks: Track A2)
- Flute – Hiroshi Koizumi (tracks: Tracks A1, A3), Shinya Koide (tracks: Track A1)
- Harp – Ayako Shinozaki (tracks: Track A3)
- Percussion – Yasunori Yamaguchi (tracks: Track A3)
- Piano – Yuji Takahashi (tracks: Tracks B1-B3)
Notes
Part of a series of 5 releases from 1983 all with matching maroon sleeves.Barcode and Other Identifiers
- Rights Society: Jasrac

