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 .
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 .