20th anniversary of ROLF LIEBERMANN’s death

Rolf Liebermann (14 September 1910 – 2 January 1999), was a Swiss composer and music administrator. He served as the Artistic Director of the Hamburg State Opera from 1959–1973 and again from 1985–1988. He was also Artistic Director of the Paris Opera from 1973–1980.   https://en.wikipedia.org/wiki/Rolf_Liebermann