 He invented a new type of musical, with a humorous and "sexy" style.He was the author of more than 3000 songs, including "Mon homme" (popularized in English as "My Man"), "Valentine," "Dans la vie faut pas s'en faire," "Les palétuviers," "Ramona," "Est-ce que je te demande," "Ah si vous connaissiez ma poule," "Amusez-vous," and "Félicie aussi"), more than 100 musicals (including "Phi-Phi", "Ta Bouche", "Là-Haut", "Dédé", "3 jeunes filles nues", "Florestan 1er", and "Trois Valses"), more than 100 revues (including seven with Sacha Guitry), and work for films.He worked with some of the notable musicians of his day, including André Messager, Maurice Yvain, Arthur Honegger, Henri Christiné, José Padilla, Vincent Scotto, Reynaldo Hahn, Raoul Moretti, Moises Simons, Georges Van Parys, Henri Betti, Szulc, Borel-Clerc, Oberfeld, Romberg, Lopez, Richepin, and Lattès.