LP 1 – Lato A: Drumming – Part I
LP 1 – Lato B: Drumming – Part II
LP 2 – Lato C: Drumming – Part III
LP 2 – Lato D: Drumming – Part IV
Russ Hartenberger (drumkit), Bob Becker (drumkit), James Preiss (drumkit), Tim Ferchen (marimba), Russ Hartenberger (marimba), Steve Reich (marimba), Steve Chambers (marimba), Cornelius Cardew (marimba), Bob Becker (marimba), Ben Harms (marimba), Glen Velez (marimba), Joan LaBarbara (vocalist), Jay Clayton (vocalist), Leslie Scott (piccoloflute), Glen Velez (glockenspiel), Bob Becker (glockenspiel), Russ Hartenberger (glockenspiel), James Preiss (glockenspiel), Steve Reich (vocalist), Leslie Scott (flute), Tim Ferchen (drumkit), Steve Reich (drumkit), Steve Chambers (drumkit), Ben Harms (glockenspiel), Cornelius Cardew (glockenspiel) - Recording: Musikstudio Hamburg, 25/01/1974
LP 3 – Lato E: Six Pianos
Steve Chambers (piano), James Preiss (piano), Russ Hartenberger (piano), Bob Becker (piano), Steve Reich (piano), Glen Velez (piano) - Recording: Musikstudio I, Hamburg, 23/01/1974
LP 3 – Lato F: Music for Mallet Instruments, Voices and Organ
Russ Hartenberger (marimba), Bob Becker (marimba), Tim Ferchen (marimba), Steve Reich (marimba), Glen Velez (glockenspiel), Ben Harms (glockenspiel), James Preiss (metallophone), Janice Jarrett (vocalist), Joan LaBarbara (vocalist), Jay Clayton (vocalist), Steve Chambers (organ) - Recording Venue: Musikstudio I, Hamburg, 23/01/1974