In his career, he wrote more than 4000 songs, including works for Édith Piaf and Céline Dion.
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He was joint winner, as lyricist, of the Eurovision Song Contest in 1969 for Un Jour, Un Enfant, sung by Frida Boccara.
Eddy Arnold | Nelson Eddy | Eddy Grant | Mike Eddy | Eddy Merckx | The Eddy Duchin Story | Eddy Mitchell | Eddy Marnay | Eddy Clearwater | Chuck Eddy | Timothy Eddy | Mary Baker Eddy | Eddy Raven | E. B. Eddy Company | Duane Eddy | William A. Eddy | Sweethearts: The Timeless Love Affair Onscreen and Off Between Jeanette MacDonald and Nelson Eddy | Sean Eddy | Jonathan Eddy | Hirschfeld Eddy Foundation | Ed, Edd n Eddy | Eddy Lover | Eddy Hartono | Eddy Duchin | Eddy Cue | Eddy C. Bertin | Eddy Butler | Eddy Berdusco | You Don't Know Me (Eddy Arnold song) | William F. Eddy |
Dion collaborated on this project and all her next early French recordings with Eddy Marnay who wrote songs for Barbra Streisand, Édith Piaf, Nana Mouskouri and Claude François among others.
#"Mon ami m'a quittée" (Eddy Marnay, Christian Loigerot, Thierry Geoffroy) – 3:05
#"D'amour ou d'amitié" (Eddy Marnay, Jean Pierre Lang, Roland Vincent) – 4:05
The song was written by Eddy Marnay, Amerigo Cassella and Dario Baldan Bembo.