Frederic Rzewski is an American composer, now resident in Belgium, of mostly chamber, vocal and piano works that have been performed throughout the world; he is also active as a pianist. Prof. Rzewski studied music privately with Charles Mackey in Springfield as a child and studied composition with Walter Piston and Roger Sessions, counterpoint with Randall Thompson and orchestration with Claudio Spies at Harvard University from 1954-58. He studied composition with Milton Babbitt and the music o…