Musicians to sing blues for Obama

Washington — Mick Jagger, BB King and other musical greats are gathering  at the White House to celebrate the blues.

Jagger tweeted that President Barack Obama popped in during a rehearsal for Tuesday's concert, seemingly "really relaxed and happy!"

Grammy-winner Keb Mo joked during a break on Tuesday's rehearsal that Obama would be performing three numbers and there was a record in the works.

'Finally get my groove on'

Mo joked that Obama's record would be, "After the second term, now I can finally get my groove on."

Troy "Trombone Shorty" Andrews says he is ready to back up the president on trombone should Obama decide to grab a microphone.

The blues concert will be part of the In Performance at the White House series that airs in the United States on the Public Broadcasting System.