C. Butterfield
Music for Klein and Beuys
Jim Tate, Roberto Occhipinti, Richard Sacks, Martin Arnold, John Abram, Erica Goodman, Christopher Butterfield, Marie Bérard
Butterfield: Music for Klein and Beuys - Pillar of Snails - Schwitters: Ursonate
Various Artists
K. Schwitters: Ursonate
Shahrokh Yadegari: Ursonate
C. Butterfield