By title

piano and other instrument

2 superimposed groups of 6 musicians

saxophone quartet, 2 keyboards controllers and 2 percussions

9 mixed voices, 2 oboes (English horn), clarinet (bass clarinet), bassoon (double bassoon), trumpet, trombone, harpsichord, percussion and 3 cellos

four-hand piano

narrator

mezzo-soprano, piccolo, English horn, bass clarinet, piano, percussion, violin, viola, cello and double bass

string quartet and processing

small orchestra

solo English horn, 2 flutes (piccolos), 2 oboes, B-flat clarinet, E-flat clarinet, bass clarinet, 2 bassoons, 4 horns, 2 trumpets, 2 trombones, tuba, harp, 4 percussions, solo violin, 14 violins I, 13 violins II, 9 violas, 10 cellos and 6 double basses

soprano

marimba

fixed medium

organ, percussion and fixed medium

chorus

tenor and fixed medium

27 musicians

chorus and soprano

flute and marimba

four groups: I: piano (and celesta), double bass, percussion; II: harp, trumpet, clarinet, oboe; III: percussion, trumpet, horn, trombone; IV: horn, flute, bassoon, clarinet, and percussion

string orchestra

soprano (or tenor) and piano

flute (flute in G), oboe (English horn), clarinet, bassoon, horn, trumpet, trombone, piano and 2 percussions

real piano and fixed medium (recorded pianos)

2 voices and accordion