tracks 9 to 15 drums Anton Fier
tracks 23 to 30 drums Ikue Mori
tracks 16 to 22, 31 to 38 drums Mark E. Miller
tracks 9 to 15, 23 to 38 engineer Martin Bisi
tracks 1 to 8 engineer Michael Lytle
tracks 16 to 22 engineer Steve McAllister
tracks 1 to 8 featuring Christian Marclay
tracks 31 to 38 featuring Whiz Kid
tracks 9 to 22 guitar Arto Lindsay
tracks 23 to 30 organ Wayne Horvitz
saxophone [alto, soprano], clarinet John Zorn
tracks 1 to 8 vocals Peter Blegvad
Recorded February - September 1983.
All tracks are live, real-time improvisations except tracks 31-38 which was produced through overdubbing.