Like other composers before him (Dutilleux, Barraud, Hersant...), Laurent Lefrançois works at Radio France (France Musique) as a producer, so his musical culture is fed by the programmes in which he participates and concert broadcasts that he puts on the air. This is an ideal profession, for he has the possibility of going into the subtlest details of the interpretation and discovering the trade secrets of the great repertoire by the educational virtues of untiring repetition of sound editing. But he did not acquire his training only on the job with potboilers: he was taught orchestration and composition by Michel Merlet at the École Normale de Musique, studied harmony and counterpoint with Stéphane Delplace, and composition with Guillaume Connesson. ' In my music you can find traces of those I love -Stravinsky, Jolivet, Varèse…-, but I don't do "in the style of...".' He claims to be free to go looking for sources of inspiration where he pleases and readily recalls that he is not the first!