Born 2.2.1954
Weissberg was born in Basel. He studied piano with Klaus Linder and composition with Jacques Wildberger at Basel Conservatoire before joining up with Mauricio Kagel. He was Kagel's assistant at Cologne Music College. His creative output embraces solo and chamber music along with orchestral works, radio plays, electronic music, multimedia projects and work in new music theatre, which is currently the centre of his creative activity. He is the author of numerous radio features having musical themes, and he teaches at Basel Music Academy.