The Bell Telephone Hour, also known as The Telephone Hour, was a concert series broadcast on NBC Radio Network from April 29, 1940, to June 30, 1958. Sponsored by Bell Telephone as the name implies, it showcased the best in classical and Broadway music, reaching eight to nine million listeners each week. It continued on television from 1959 to 1968. Throughout the program's run on both radio and television, the studio orchestra on the program was conducted by Donald Voorhees.