OSO3rühm
OSO3rühm was a Swiss avant-garde music ensemble active primarily in the late 1970s and early 1980s. The group was known for its experimental approach to sound, often incorporating elements of free jazz, electronic music, and musique concrète. Their performances were characterized by a high degree of improvisation and a willingness to explore unconventional sonic textures and structures.
The core members of OSO3rühm were Beat Kappeler on saxophone and flute, and Josef Anton Riedl on