Und So Weiter / Music Promenade

4 pages A4 insert in German "Und so weiter" for piano and magnetic tape commissioned by Radio Bremen, Musika Viva (1966) and released in Paris at the "Groupe de recherches musicales" studio, recorded August 1967. "Music promenade" recorded August 1969: stereo mix from the four tracks version of the original sound installation. Program notes in French and German. Wergo written on label with golden letters.