Original: Aldous p. 98 During the war, Sargent directed the Hallé Orchestra in Manchester (1939-42) and the Liverpool Philharmonic (1942-48) and became a popular BBC Home Service radio broadcaster.
Simplified: During the war, Sargent conducted the Hallé Orchestra in Manchester (1939-42) and the Liverpool Philharmonic (1942-48) and became a popular radio broadcaster with the BBC.