In 1936, René came back to the U.S. and became musical director for the international wing of RCA Victor, forming his own orchestra in 1941. After service for the Allies in World War II, he resumed working for RCA Victor as a conductor and arranger. In the middle of the 1950s, he issued several successful LPs which Allmusic has called "forerunners of the space-age pop aesthetic";among the albums were Music for Bachelors, Music for the Weaker Sex, Compulsion to Swing and Riot in Rhythm.