A leading avant-garde musician, German bassist and occasional tuba player Peter Kowald was a longtime member of the Globe Unity Orchestra, and performed and recorded with many other major improvisers, European and American alike. Kowald picked up the bass in 1960, and two years later started neglecting his other studies and hanging around Peter Brötzmann's studio. The two played the music of Miles Davis, Charles Mingus, Ornette Coleman, and more with various drummers, and listened to modern composers like John Cage and Karlheinz Stockhausen. Over the years, the two would recor...