LONDON — Fifty-five years after rock ’n’ roll’s most important and influential band split up, The Beatles are to release a new collection of unheard outtakes, as well as a remastered and expanded classic documentary series as part of a reboot of a 1990s "Anthology" project. Paul McCartney, 83, one of the two surviving members of the band alongside Ringo Starr, 85, teased the announcement in an Instagram post on Tuesday, and the band’s official website confirmed on Thursday.

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