Atmospheres (1961) for large orchestra

Volumina (1961-2, rev. 1966) for organ

Lux Aeterna 1966 for 16 voice acapella mixed chorus

Organ Study No.1 “Harmonies” (1967)

Lontano (1967) for large orchestra

Ramifications (1968-9) for string orchestra or 12 solo strings

Melodien (1971) for orchestra