[1] In the 1960s, he played in the varieté orchestra "Johann Ness" as a saxophonist, akkordion player and flutist, and also worked as a chanson singer.
[1] He composed melodies for hymns, aimed at bringing young people to singing.
[1][2] He organised music groups such as Les troubadours de l'Espoir, and held seminars promoting new Christian songs.
[1] His song "Je louerai l’Eternel" (I will praise the Eternal one) with a harmonisation by Bergèse, was translated into German as Ich lobe meinen Gott von ganzem Herzen and became a popular new hymn.
[2] Another song "C'est vers toi que je me tourne" ("It is to you that I turn"), composed also with Bergèse with lyrics written by Leila Hamrat, was translated into Chinese as 獻上活祭 and is popular among Chinese American churches in the United States.