Bass - Buschi Niebergall
Bass, Tuba - Peter Kowald
Cello - Tristan Honsinger
Clarinet [Bass] - Michel Pilz
Drums - Paul Lovens
Guitar - Derek Bailey
Piano - Alexander von Schlippenbach
Saxophone [Alto], Saxophone [Tenor], Clarinet [Bass] - Peter Brötzmann
Saxophone [Soprano], Saxophone [Tenor] - Evan Parker
Saxophone [Soprano], Saxophone [Tenor], Flute - Gerd Dudek
Trombone - Albert Mangelsdorff , Günter Christmann , Paul Rutherford (2)
Trumpet - Kenny Wheeler , Manfred Schoof
01 Improvisation 1
02 Improvisation 2
03 Improvisation 3
04 Improvisation 4
Recorded September 1977, Tonstudio, Bauer/Ludwigsburg
CD out of print
DL here