★Phren Verlag

1988 self-released album by the German experimental theatre and free improvisation group active since the late 1960's. Never re-issued on either LP or CD.

Massive 1985 3LP box set documenting the activities of this German experimental music theatre group from 1971 to 1985, with echoes of MEV and Nuova Consonanza. With insert and never re-issued on either CD or LP.

1991 release ** "Based in Munich. Originally formed as an experimental music group in 1968 by Michael Kopfermann, its activities became morefold later on, most notably through the formation of the "PHREN-Theatergruppe" (PHREN theatre group). The name PHREN appeared in the mid-1970s, the earlier name was "Gruppe für Experimentelle Musik Michael Kopfermann" (Group for Experimental Music Michael Kopfermann)."