An obscure jazz-rock band that existed in the mid-’70s through the first ’80s, Cos was led simply by singer/oboe player Pascale Son, and in addition included members Daniel Schell (flute, electric guitar), Bob Darsch (drums), Alain Goutier (bass), and Charles Loos (keyboards). Personal referred to as a “combination of jazz and Canterbury,” the quintet released such albums as Postaeolian Teach Robbery, Viva Bomma, Babel, Swiss Chalet, and Passions, before fading apart.