 He was a prolific composer, writing five "tragédies en musique", six "opéra-ballets", numerous "pastorales héroïques" and "actes de ballets" as well as two comic operas, and often revising his works several times until they bore little resemblance to their original versions.By 1745, Rameau had won acceptance as the official court composer, but a new controversy broke out in the 1750s.This was the so-called "Querelle des Bouffons", in which supporters of Italian opera, such as the philosopher and musician Jean-Jacques Rousseau, accused Rameau of being an old-fashioned, establishment figure.