In the 1960s, he co-wrote (with Pierre Cour) two songs for the Eurovision Song Contest — Tom Pillibi, which won the competition for France in 1960, and L'amour est bleu (Love is Blue) which came fourth for Luxembourg in 1967, but which later became a Number one hit in the US for Paul Mauriat.
Le Cordon Bleu | Corbin Bleu | Louis L'Amour | Roméo et Juliette, de la Haine à l'Amour | L'oiseau bleu | EST | Cordon Bleu | L'amour viendra | L'amour de ma vie | D'amour ou d'amitié | C'est la Vie (B*Witched song) | C'est la Vie | Outlandos d'Amour | Le Train Bleu | Dogs D'Amour | Deus Caritas Est | Conseil scolaire de district du Nord-Est de l'Ontario | C'est pour vivre | Carthago delenda est | Bleu | Scusi, dov'è il Nord Est? | Pour l'Amour des Chiens | Poème de l'amour et de la mer | Plaisir d'amour | Ou Est Le Swimming Pool | LGV Est | Le Chat Bleu | La vie est belle (film, 1997) | L'amour est bleu | Je te rends ton amour |
"Une chanson c'est une lettre" was composed by André Popp, who previously had written Vicky Leandros' 1967 entry "L'amour est bleu", which only finished 4th in the Contest but still went on to become a worldwide hit when covered by French band leader Paul Mauriat.