- Bass [Basse], Drums [Batterie], Synthesizer [Synthetiseur], Percussion [Percussions] – Christian*
- Electronic Drums [Synare], Synth [Synthetiseurs], Electronic Wind Instrument – Didier*
- Synth [MS10, MS20], Electronics [Micro Preset], Drum Machine [Drum Computer], Guitar [Guitare], Keyboards [Yamaha PS], Synthesizer [Moog], Sequencer, Other [Black Box], Tape [Tapes], Drums [Batterie], Vocals [Vocal] – Michel Madrange
- Synth [Synthe Roland SH101, MS20], Vocals [Vocal] – Dominique*
- Vocals [Vocal], Synth [MS10], Percussion [Percussions] – Catherine*
A2 recorded for Radio Brie FM, emission Alerte Rouge (1983)
A3 recorded for friends of Fraction Studio (1983).
A4 recorded for friends of Fraction Studio (1983).
A5 first appeared on the compilation "Perversita" (on VISA) 1983.
B1 was never published (1982).
B2 was never published and is one of the first ever recordings by No Unauthorized (1979).
B3 was never published (1979).
B4 was an improvisation (1980).
B5 was never published (1979).
B6 first appeared on the compilation To Post A Tape Vol. 1 (1984).
B7 is one of the first versions of this track (1979).
Released in a b/w jcard with 4 insert cards.