From left, George Harrison (1943 – 2001), Ringo Starr, John Lennon (1940 – 1980), and Paul McCartney of the British pop group the Beatles, walk in single file, all wearing fog masks before a concert in Manchester, England, 1965. (Photo by Express Newspapers/Getty Images)
Royal Command Performance, 1963. The Beatles – pictured rehearsing for the Royal Command Performance at the Prince of Wales, tonight. Photograph by Randle. (Photo by Daily Herald Archive/National Science & Media Museum/SSPL via Getty Images)
(GERMANY OUT) Auftritt der englischen Musikgruppe "The Beatles" in der Ernst-Merck-Halle im Zuge ihrer Bravo-Beatles-Blitz-Tournee (v.l.n.r.): Gitarrist George Harrison, Schlagzeuger Ringo Starr, Bassist Paul McCartney und Gitarrist John Lennon. Die Musiker singen in die vor ihnen stehenden Mikrofone und spielen auf ihren Instrumenten. sechziger Jahre; musizierend; Pilzköpfe; Anzug; Bühne; Logo; Schriftzug. . (Photo by Photo Ambor/ullstein bild via Getty Images)
New York, NY – 1975: John Lennon performing live in his last public performance on the ABC tv special 'Salute to Sir Lew – The Master Showman' at the Grand Hilton Hotel. (Photo by Ken Regan /American Broadcasting Companies via Getty Images)
CIRCA 1964: Rock and roll band "The Beatles" pose for a portrait in the studio with their producer George Martin in cicra 1964. (L-R) George Harrison, Paul McCartney, George Martin, John Lennon. (Photo by Michael Ochs Archives/Getty Images)
1963: Pop group The Beatles take a bow on stage after performing in the Royal Command Performance at the Prince of Wales Theatre. (Photo by Fox Photos/Getty Images)
