It's almost universally regarded as a classic today, but in many ways, the Beatles' Sgt. Pepper's Lonely Hearts Club Band was an album decidedly ahead of its time.
President Barack Obama will reportedly close out his second term with a party rumored to include Bruce Springsteen, Paul McCartney, Eddie Vedder and many others.
Paul McCartney made a surprise appearance on 'The Tonight Show Starring Jimmy Fallon,' lending his vocals to an all-star a cappella cover of his modern holiday standard "Wonderful Christmastime."