Bruno Maderna
Marie Angel (b. Pinnaroo, South Australia, Australia, 3 June 1953) is an Australian-born opera singer. She sings both operas in the standard repertoire as well as contemporary operas by such composers as Mauricio Kagel, Bruno Maderna, Michael Tippett, Harrison Birtwistle, Philip Glass, Louis Andriessen, Michael Nyman, Bernd Alois Zimmermann, and John Cage.