Belgian experimental jazzrock fusion with voice, led by Daniel Schell. 　　 　　by Greg Prato 　　An obscure jazz-rock band that existed from the mid-70s through the early 80s, Cos was led by singer/oboe player Pascale Son, and also featured members Daniel Schell (flute, guitar), Bob Darsch (drums), Alain Goutier (bass), and Charles Loos (keyboards). Self described as a mixture of jazz and Canterbury, the quintet released such albums as Postaeolian Train Robbery, Viva Bomma, Babel, Swiss Chalet, and Passions, before fading away.