Stephan Wittwer

Sprawl [Brötzmann, Buess, Wittwer, Parker, Wertmüller] - Sprawl (1997)

http://www.sendspace.com/file/130aob

Koch, Schütz, Wittwer, Marti, Demierre, Studer - Chockshut (1992)

https://www.sendspace.com/file/xjfbum