1,2 is PETER BRÖTZMANN QUARTET Live at Jazz Jamboree 1974 Musicians: PETER BRÖTZMANN - reeds ALEXANDER VON SCHLIPPENBACH - piano PETER KOWALD - bass PAUL LOVENS - drums 3,4 is Peter Brötzmann Trio Live at NDR Jazzworkshop 1974-February-04 Hannover, Funkhaus des NDR Peter Brötzmann, reeds Fred van Hove, piano Han Bennink, percussion, self-made instrument, voice