Pharell Williams

'The Night That Changed America: A GRAMMY Salute To The Beatles' (credit: Larry Busacca/Getty Images for NARAS)

Katy Perry, John Mayer, Alicia Keys Among Stars To Pay Tribute To The Beatles

John Legend and Alicia Keys sang “Let It Be.” Katy Perry performed “Yesterday,” while her boyfriend, John Mayer, teamed with Keith Urban on “Don’t Let Me Down.”

01/28/2014

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