Bass, Guitar, Electronics – Hartmut Enke

Bongos – Uli Popp (tracks: 1 to 4)

Drums – Dietmar Burmeister (tracks: 5 to 11)

Drums [Dubbed During The Mix] – Tommy Engel (tracks: 5 to 11)

Drums, Vibraphone – Wolfgang Müller (2) (tracks: 1 to 4)

Guitar, Electronics – Manuel Göttsching (tracks: 5 to 11)

Guitar, Organ, Electronics, Vocals – Manuel Göttsching (tracks: 1 to 4)

Organ, Electronics – Steve Schroeder* (tracks: 5 to 11)

Saxophone [Alto] – Matthias Wehler (tracks: 1 to 4)

Synthesizer [Dubbed During The Mix] – Dieter Dierks (tracks: 5 to 11)

Tambourine – Klaus D. Mueller* (tracks: 5 to 11)

Vocals – Bettina Hohls (tracks: 5 to 11), Brian Barritt (tracks: 5 to 11), Timothy Leary* (tracks: 5 to 11), Liz Elliott (tracks: 5 to 11), Portia Nkomo (tracks: 5 to 11)

Vocals [Dubbed During The Mix] – Michael Duwe* (tracks: 5 to 11)

Vocals, Jew's Harp, Percussion – John L. (tracks: 1 to 4)

Written-By – Brian Barritt (tracks: 5 to 11), Timothy Leary* (tracks: 5 to 11), Manuel Göttsching (tracks: 1 to 4)

Schwingungen originally recorded February 1972, LP released 1972.

Seven Up originally recorded between August and October 1972, LP released 1973.

© ℗ 1998 Purple Pyramid