What was the name of the manager of both Billy J. Kramer and an English rock  band formed in Liverpool in 1960?
Billy J. Kramer:  In the 1960s, Kramer was managed by Brian Epstein, who also managed The Beatles, and he recorded several original Lennon and McCartney compositions. The Beatles: The Beatles were an English rock band formed in Liverpool in 1960.
Brian Epstein