String Quartet Dur. 21:00

String Quartet Dur. 21:00
Mezzo or Soprano & Piano (4:00)
Soprano and organ (6:00)
SATB Divisi (3:00)
Bass (or bass-baritone) singer, clarinet, cello, piano (15:45)
There are also versions for baritone + this ensemble as
well as bass + piano or baritone + piano
Electronic playback (11:10)
Amp. String quartet & electronics (19:45)
SATB Divisi (5:00)
SATB Chorus + piano (16:30)
SSA Choir (3:00)