1.-4. Chamber Concerto
for 13 instrumentalist (1969 - 70)

5. Ramifications
for string orchestra or 12 solo strings (1968 - 69)

Ensemble InterContemporain
Pierre Boulez

6.-10. String Quartet No. 2 (1967 - 68)

Lasalle Quartet

11. Aventures
for 3 singers and 7 instrumentalist (1962)

Jane Manning, soprano
Mary Thomas, mezzo-soprano
William Pearson, bass

Ensemble InterContemporain
Pierre Boulez

12. Lux aeterna
for 16-voice a capella mixed chorus (1966)

Chor des Norddeutschen Rundfunks Hamburg
Helmut Franz, director