Ostinato I

Ostinato I for 3 improvising musicians and string ensemble, 1980

31:30′
Commissioned by Landis & Gyr Foundation
Première: 12 April 1981, Zug Casino (Trio 80 with Urs Blöchlinger, Martin Schlumpf and Thomas Hiestand, Zug Collegium Musicum; Peter Siegwart)