John Mayer Covers Beyonce's 'XO' Like The 'Real And Raw' Folk Song We Know It To Be

04/17/2014 09:23 am ET | Updated Apr 17, 2014
Imeh Akpanudosen via Getty Images

John Mayer is the latest male crooner to take on a Beyonce song. He performed "XO" during his April 15 concert in Australia with only a guitar and harmonica. A few days before he introduced the cover, Mayer tweeted that "XO" is "real and raw" -- and his acoustic folk rendition seems to emphasize that, plus all the über-seriousness that Mayer embeds in his music.

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