Swiss 7" from 1964, early electronic/jazz track! Fold-out sleeve (EX- to VG+). 500 copies made.
A - Rolf Liebermann Symphonie "Les Echanges" Komposition Für 156 Maschinen 2:54
B - Rolf Liebermann / George Gruntz Symphonie "Les Echanges" Jazzversion 6:25