baritone saxophone Karel Fray
bass Koos Serierse
bass Koos Van Der Sluis
drums Han Bennink
guitar Hans Pohl
piano Hans Pohl
piano Pim Hogervorst
trombone George Kaatee
trombone Pim Hogervorst
trumpet Bert De Kort
Recorded 17 & 18 August 1967 in Soest (?)

Footage of this group (with Bennink) is included in a documentary by Tino Flothuis about Han Bennink from 1968: De Bezetene, which can be found on Youtube.