 After the War, he returned to the BSO where he became Assistant Principal; he was also principal bass for Arthur Fiedler’s Boston Pops Orchestra.In 1952, he made his debut as a conductor, leading the Boston Pops in front of an audience of 20,000.In 1954, he conducted 65 members of the BSO in the first stereo recordings ever made (at the time referred to as binaural recordings) – eleven recordings in total, recorded for Cook Laboratories.