 His first album, "Chansons possibles et impossibles" (Possible and Impossible Songs), was also recorded in 1955.He wrote the first French rock and roll songs with his friend Henri Salvador, who sang them under the nickname Henry Cording.He also wrote "Java Pour Petula" (a song about an English girl arriving in France, written in Parisian argot) for Petula Clark's first concert performances in France."