Initially, Apple Records signed a number of acts that the Beatles personally discovered, but by the mid-1970s the roster had become dominated with releases by the former Beatles as solo artists.

Lennon changed his middle name from Winston to Ono to show his "oneness" with his new wife after marrying Yoko Ono in 1969.

The band went through a number of names before finally settling on the Beatles.

Issued in August 1963, the band's fourth single, "She Loves You", achieved the fastest sales of any record in the UK up to that time, selling three-quarters of a million copies in under four weeks. It remained the biggest-selling record in the UK until 1978, when "Mull of Kintyre", by McCartney's post-Beatles band Wings, surpassed it in sales.

The Beatles' third studio album, A Hard Day's Night is the only one to contain exclusively Lennon-McCartney compositions.

On February 9, 1964, the Beatles gave their first live U.S. television performance on The Ed Sullivan Show, watched by approximately 73 million viewers in over 23 million households.

Martin's first recording session with the Beatles took place at EMI's Abbey Road Studios in London on 6 June 1962.

The BBC banned this song for the lines "pornographic priestess" and "let your knickers down."

Stuart Sutcliffe was the original bass guitarist for the Beatles, but left the band to pursue a painting career.

Spector was convicted of the 2003 murder of actress Lana Clarkson.