New York 1963-10-19
Rehearsal at La Monte Young's 275 Church Street loft on October 19, 1963.
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 Bb Dorian Blues: Fifth Day Of The Hammer. It was broadcast on WKCR 89.9 FM on October 22, 1991. Various bootlegs exist.