Rolf Liebermann

Rolf Liebermann (1910-1999) was a Swiss composer and opera administrator, born in Zurich. He studied composition and conducting with Hermann Scherchen and later with Wladimir Vogel, and wrote operas, orchestral music and pieces mixing jazz band and symphony orchestra. He is known as director of the Hamburg State Opera and the Paris Opera, and for Les Echanges, a short piece for 156 machines. Liebermann wrote Les Echanges for the Swiss National Exhibition (Expo 64) in Lausanne.