 Following Sutcliffe's departure (and subsequent death of a brain hemorrhage), the Beatles continued performing throughout 1962, most notably at The Cavern Club in Liverpool, where they were discovered by Brian Epstein and George Martin.After firing Best and hiring Ringo Starr, the Beatles performed a series of concert tours throughout the UK in 1963, before they left for the US in early 1964.As Beatlemania and the British Invasion came into full force, they began a world tour and continued to perform in the UK and US throughout 1965, including a well-known performance at Shea Stadium in New York City.