Jean-Claude Vannier (b. 1943, Bécon-les-Bruyères, Courbevoie, France) was a composer and arranger. He was particularly prominent as an associate to Serge Gainsbourg in arranging scores for film in the later 1960s, though he later was to become a solo recording artist in his own right. His musical style was influenced by jazz, baroque, klezmer, oriental and rock forms, culminating in a unique attitute towards composition, fuelled by a taste for 'the wrong side of the music, the wrong notes.