Jean Constantin (1923–1997) was a distinguished French singer-songwriter and composer, renowned for his significant contributions to French music and cinema. His songwriting prowess is exemplified by classics such as "Mon manège à moi," immortalized by Édith Piaf, and "Mon truc en plumes," performed by Zizi Jeanmaire. Constantin's versatility extended to film scoring, most notably composing the soundtrack for François Truffaut's seminal film "The 400 Blows" (1959). His unique blend of humor and poetry, coupled with his dynamic stage presence, solidified his legacy as a pivotal figure in mid-20th-century French entertainment. ([en.wikipedia.org](https://en.wikipedia.org/wiki/Jean_Constantin_%28songwriter%29?utm_source=openai))