 As bandleader with the Johnny Mann Singers, he and the group recorded approximately three dozen albums, hosted the TV series titled "Stand Up and Cheer" (1971–1974), and was the musical director for the 1967-69 ABC-TV late night talk show, "The Joey Bishop Show".He was also musical director of "The Alvin Show", and was the voice of Theodore.Mann was also choral director for the "NBC Comedy Hour".