 Between 1970 and 1971 Egg recorded their debut album and its follow-up "The Polite Force".Campbell played bass guitar in the group (as well as singing and adding French horn) and was also its main composer, citing Igor Stravinsky as his main influence.He has, however, subsequently expressed reservations about his later time with the band (saying of "The Polite Force", "I didn't enjoy the sessions which seemed to me turgid and unsatisfying.