Recorded May 1968 at "Lila Eule", Bremen Peter Brötzmann: baritone saxophone, tenor saxophone Peter Kowald: acoustic bass Buschi Niebergall: acoustic bass Sven-Ake Johansson: drums Han Bennink: drums Fred Van Hove: piano Evan Parker: tenor saxophone Willem Breuker: tenor saxophone first time on vinyl, appeared on Atavistic's "Complete Machine Gun Sessions" on CD