Conrad Stephen Susa (April 26, 1935 – November 21, 2013) was an American composer, particularly known for his operas. His 1973 chamber opera, Transformations, set to texts from the poems of Anne Sexton, is one of the most frequently performed operas by an American composer and was one of the featured operas of the 2006 Wexford Opera Festival. His other compositions include choral works and incidental music for various plays. His music is published by the E.C. Schirmer Music Company.
Susa was born in Springdale, Pennsylvania and educated at Carnegie Institute of Technology and the Juilliard School, where his teachers included William Bergsma, Vincent Persichetti and, by his own claim, P. D. Q. Bach, a character created by American composer Peter Schickele. In 1988 he joined the faculty of the San Francisco Conservatory of Music where he served as Chair of the Composition Department....from Wikipedia Bio