Watch Adam Levine and Train Slay perform Prince's "Purple Rain"!

Fantastic performance by Adam Levine at Howard Sterns birthday celebration!

Adam Levine Performs "Purple Rain" At The Howard Stern Birthday Bash on SiriusXM

Adam Levine performs onstage at "Howard Stern's Birthday Bash" presented by SiriusXM, produced by Howard Stern Productions at Hammerstein Ballroom on Jan. 31, 2014 in New York City. 

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