Cos were a Belgian avant-jazz/rock band that was active between the mid-1970s and mid-1980s. The band released four albums between 1974 and 1979 on IBC and two further titles circa 1983/84 on Lark. Keyboardist Charles Loos (Abraxis/Julverne) appears as a member on the first and third albums, Postaeolian Train Robbery and Babel. Former Placebo keyboardist Marc Moulin produced 1976’s sophomoric Viva Boma, which features sundry instrumentation from Aksak Maboul mastermind Marc Hollander.

Members:Members: Pascale Son (vocals, oboe), Daniel Schell (guitar, flute, sound effects), Charles Loos (keyboards, piano), Marc Hollander (keyboards, bass clarinet, alto saxophone, devices), Alain Goutier (bass), Philippe Allaert (drums), Mutsari (bass)