after writing his first song in 1962, he contributed music for songs in many movie soundtracks produced by french companies such as universe galaxie and daber films. in 1968, while managing michel polnareff's career, he met olivier toussaint, forming a successful songwriting partnership. their songs were recorded by major french artists such as: mireille mathieu, michèle torr, christophe, hervé vilard, dalida, petula clark and claude françois. this partnership accounts for over 100 million records sold internationally. partnering with lyricist jean-loup dabadie, he wrote "tous les bateaux, tous les oiseaux", a french hit recorded by michel polnareff.