Rotations
The shapes emit sound. Movements of marbles in glass bowls. The rotation as a structure, as an audible sculpture.
Sieben Beispiele zeitgenössischer Kunst, Städtisches Museum, Mönchengladbach 1986
Forum Junger Kunst, Württembergischer Kunstverein, Stuttgart 1988
glass bowls; glass panes; glass balls; small speakers; cables; electronical equipment