Tracks
1. Wobbling Notes And Fluted Crackle (Mangelsdorff)
2. Grive Musicienne (Mangelsdorff/Niebergall/Dudek/Sauer/Giger)
3. Birds Of Underground (Mangelsdorff)
4. Xenobiosis (Mangelsdorff/Niebergall/Sauer/Giger)
HEINZ SAUER alto Saxophone, tenor saxophone
BUSCHI NIEBERGALL bass
PETER GIGER drums
GERD DUDEK tenor Saxophone, soprano saxophone, flute
ALBERT MANGELSDORFF trombone
Recorded September and December 1972 at Walldorf-Studio, Frankfurt/M
MPS Records – 21 21746-9 (Germany)