Mick Jagger, B.B. King and other musical greats are teaming up at the White House to celebrate the blues.
Jagger tweeted that President Barack Obama popped in during a rehearsal for Tuesday's A-list concert and "seemed really relaxed and happy!"
Grammy-winner Keb Mo joked during a break in Tuesday morning's rehearsal that Obama himself would be performing three numbers, and there was a record in the works.
Mo joked that Obama's record would be called, "After the second term, now I can finally get my groove on."
Troy "Trombone Shorty" Andrews says he's ready to back up the president on trombone should Obama decide to grab a microphone and sing.
The blues concert will be part of the "In Performance at the White House" series that airs on PBS.
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