(CNN) When the "Sgt. Pepper's Lonely Hearts Club Band" album greeted the world on June 1, 1967, its cover featured the Beatles in colorful military-band uniforms before a constellation of 57 (mostly) famous faces.

Asked to put their heroes on the cover, the band selected a mix of artists, writers, movie stars, musicians and others. Most were chosen by John Lennon and Paul McCartney, along with suggestions from artists Peter Blake and Jann Haworth, the cover's designers. George Harrison added four Indian gurus. Ringo Starr said he didn't care.

"It was completely open-ended," said Haworth when asked last month about the selection process. The faces ranged from the iconic (Marilyn Monroe) to the obscure (child singer Bobby Breen) and from the hugely influential (Bob Dylan) to the just plain silly ("Tarzan's" Johnny Weissmuller).

The album made a seismic cultural splash, and fans listened to it over and over while scouring the cover for clues to the Beatles' creative genius.

But that was then. If "Sgt. Pepper" came out now, who might join the Beatles on the cover?

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