Friedrich Cerha was an Austrian composer, conductor, and academic teacher. His ensemble Die Reihe in Vienna was instrumental in spreading contemporary music in Austria. He composed several operas, beginning with Baal, based on Brecht's play. He is best known for completing Alban Berg's opera Lulu by orchestrating its unfinished third act, which premiered in Paris in 1979.

Karlheinz Essl is an Austrian composer, performer, sound artist, improviser, and composition teacher.