sentences:  Cocker developed an interest in blues music and sought out recordings by John Lee Hooker, Muddy Waters, Lightnin' Hopkins and Howlin' Wolf.In 1963, they booked their first significant gig when they supported the Rolling Stones at Sheffield City Hall.In 1964, Cocker signed a recording contract as a solo act with Decca and released his first single, a cover of the Beatles' "I'll Cry Instead" (with Big Jim Sullivan and Jimmy Page playing guitars).