| Composition |
| Ein Thema (Version I) (Peters-Rey, Gregor) |
| Ein Thema (Version I) (Peters-Rey, Gregor) |
| Ein Thema (Version II) (Peters-Rey, Gregor) |
| Ein Thema (Version II) (Peters-Rey, Gregor) |
| 3 Duos for Flute and Harp, Op. 1 (Peters-Rey, Gregor) |
| 3 Duos for Flute and Harp, Op. 1 (Peters-Rey, Gregor) |
| Opus 2 (Peters-Rey, Gregor) |
| Kleinst-Stücke (Peters-Rey, Gregor) |
| Krumbacher Scherzo (Peters-Rey, Gregor) |
| Krumbacher Scherzo (Peters-Rey, Gregor) |
| Opus 2 (part B) (Peters-Rey, Gregor) |
| Rondo für Eva Maria (Peters-Rey, Gregor) |
| Quasi Rondo (Peters-Rey, Gregor) |
| Quasi Rondo (Peters-Rey, Gregor) |
| Quasi Rondo (Peters-Rey, Gregor) |
| Quasi Rondo (Peters-Rey, Gregor) |
| Quasi Rondo (Peters-Rey, Gregor) |
| Quasi Rondo (Peters-Rey, Gregor) |
| 3 Pieces for Harp (Peters-Rey, Gregor) |
| Suite für Querflöte und Klavier (Peters-Rey, Gregor) |