1962-1970: Beatlemania (AP Images)

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British pop group The Beatles became the most successful band in modern music amid an unprecendented wave of popularity known as 'Beatlemania' that lasted through most of the 1960s. They acheived the rare feat of being the most commercially successful and forward thinking act in music with a rapidly evolving sound which encompassed early 'Merseybeat' singles, as well as the groundbreaking psychedelic albums they recorded towards the end of the decade. The Queen herself had a song written in her honour by the band - the Paul McCartney-penned vignette 'Her Majesty', which is the closing track on 1969's Abbey Road.