Rehearsal at La Monte Young's 275 Church Street loft on January 12, 1964.
La Monte Young: sopranino saxophone
Marian Zazeela: bowed gong, voice drone
John Cale: three- and four-string (amplified) viola drone
Tony Conrad: bowed guitar
Angus MacLise: hand drum
They played Sunday Morning Blues: The First Twelve ''21 I 64 AM NYC''. It can be found on Angus MacLise "Various Works'', cassette, Mela Foundation (1992) and bootlegs.