Which person was not in the band, the Beatles?

The Beatles were an English rock band, formed in Liverpool in 1960, that comprised John Lennon, Paul McCartney, George Harrison and Ringo Starr. They are regarded as the most influential band of all time and were integral to the development of 1960s counterculture and popular music's recognition as an art form.

Sir Michael Philip Jagger (born 26 July 1943) is an English singer and songwriter who has achieved international fame as the lead vocalist and one of the founder members of the rock band the Rolling Stones. His ongoing songwriting partnership with Keith Richards is one of the most successful in history. Jagger's career has spanned over six decades, and he has been widely described as one of the most popular and influential frontmen in the history of rock music.