Dumont reflected on his initial reluctance to approach Piaf, highlighting a tumultuous working relationship that saw him fired multiple times. However, with encouragement from lyricist Michel Vaucaire, Dumont finally took the leap in 1960, leading to a fruitful partnership that yielded over 30 songs for the iconic singer until her passing in 1963. Dumont's contributions to the music world extend beyond Piaf, as he also composed for stars like Jacques Brel and Barbra Streisand, forging a successful solo career starting in the 1970s. His death marks the end of an era for French music, with his legacy enduring through the timeless songs he created.