Herman's Hermits Heartbeat", "Leaning on a Lamp Post", "Mrs. Brown, You've Got a Lovely Daughter", "A Must to Avoid", "You Won't Be Leaving", and "I'm Henry VIII, I Am" (the last said at the time to be "the fastest-selling song in history"). Leckenby soloed on "Henry", and Hopwood played rhythm guitar on "Mrs. Brown". Despite the group's competent musicianship, some subsequent singles employed session musicians – including Big Jim Sullivan, Jimmy Page, John Paul Jones, Vic Flick and Bobby Graham – with contributions from the band, although the role of session players on Herman's Hermits records has been exaggerated in the rock
Herman's Hermits and Leckenby took over for Green as lead guitarist. After Leckenby joined the band, the group made a deal with producer Mickie Most and signed with EMI's Columbia label in Europe and MGM Records in the United States. The band's name came from a resemblance, noted by a publican in Manchester, England, between Noone and Sherman in the Rocky and Bullwinkle cartoon. Sherman was shortened to Herman, and then became Herman and his Hermits, which was soon shortened to Herman's Hermits. The band played on most of its singles, including "I'm into Something Good", "Listen People", "Can't You Hear My