Milton Babbitt - compositions Composition for Synthesizer (1960-1) Correspondences for String Orchestra and Synthesized Tape (1968) Ensembles for Synthesizer (1962-64) Occasional Variations (1970) Philomel, for soprano, recorded soprano, and synthesized tape (1963) Vision and Prayer, for soprano and synthesized accompaniment (1961) E.W. 4/93