| PIANO MUSIC 2 (1961) |
| Walter Marchetti |
| Interviene: Juan Hidalgo |
 |
| PIANO MUSIC 2 |
| Walter Marchetti |
| Interviene: Juan Hidalgo |
 |
| VARIATIONS IV |
|
John Cage |
| Interviene: Ramón Barce |
 |
| VARIATIONS IV(1963) |
| John Cage |
| Interviene: Walter Marchetti |
 |
