Rolv Yttrehus, who regards Schoenberg and Sessions as his principal influences, was born 1926 in Duluth, Minnesota. He holds degrees from the University of Minnesota-Duluth, the University of Michigan, and in 1962, received a diploma from the Accademia Di Santa Cecilia in Rome. He studied harmony with Nadia Boulanger, and composition with Ross Lee Finney, Roger Sessions, Aaron Copland, and Goffredo Petrassi. He is professor of music emeritus, Rutgers University. See interview with the composer by Bruce Duffie here.