Steve Lacy: soprano saxophone
Charles Tyler: baritone & alto saxophone
Jean-Jacques Avenel: double bass
Oliver Johnson: drums
Composed by Steve Lacy (1, 3, 4, 7), Charles Tyler (1, 5) and Theolonious Monk (6)
Recorded by David Wessel on June 13th to 15th 1986 at IRCAM, France
Mixing: David Wessel, Steve Lacy
Liner Notes: Lars-Olof Gustavsson
Cover art: Bob Thompson
Cover realisation: Jörgen Renhorn
Producer: Steve Lacy
Executive-Producer: FSMAB, Keith Knox
