Tracklist Hide Credits
| A1 | Organum QuadruplumChoir – Centro Amerivano E ArtistiDirected By – Vittorio GelmettiOrgan – Frederic RzewskiVoice, Guitar – Emilio Puglielli |
|
| A2 | Ipotesi APerformer [Nightingale Call], Fortepiano, Percussion – Vittorio Gelmetti |
|
| B | L'Opera AbbandonataEngineer – Bohdan Mazurek |
23:00 |
Notes
B-side realized at Sudio Eksperymentalne Polskiego Radia-Varsavia.Barcode and Other Identifiers
- Matrix / Runout (Side A label): 0742-A
- Matrix / Runout (Side B label): 0742-B
- Matrix / Runout (Side A runout. etched): ER 0084A 4-3-75
- Matrix / Runout (Side B runout. etched): ER 0084B 4-3-75
- Rights Society: SIAE
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 123 | Vittorio Gelmetti | Organum Quadruplum - Ipotesi A - L'Opera Abbandonata (CDr, Album, Ltd, Unofficial) | Creel Pone | 123 | US | 2011 |
Tracklist Hide Credits
| 1 | Organum QuadruplumChoir – Centro Amerivano E ArtistiDirected By – Vittorio GelmettiOrgan – Frederic RzewskiVoice, Guitar – Emilio Puglielli |
| 2 | Ipotesi APerformer [Nightingale Call], Fortepiano, Percussion – Vittorio Gelmetti |
| 3 | L'Opera AbbandonataEngineer – Bohdan Mazurek |
Notes
B-side realized at Sudio Eksperymentalne Polskiego Radia-Varsavia.Facsimile edition.
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 0742 | Vittorio Gelmetti | Organum Quadruplum - Ipotesi A - L'Opera Abbandonata (LP) | Premier | 0742 | Italy | 1975 |
