Harvest Work - a group improvisation by Gunter Christmann (double bass), Detlef Schoenenberg (percussion) and Hans Peter Haller (sound engineer). Electronic production: Experimentalstudio der Heinrich-Strobel-Stiftung der Sudwestfunks from Freiburg.
The Polish premiere of the work took place on 17 September 1979 in the Concert Hall of the State Higher School of Music in Warsaw as part of the 23rd Warsaw Autumn International Festival of Contemporary Music.
[from left to right: Bernd Noll, Hans Peter Haller, Gunter Christmann]