Ben Harper and Charlie Musselwhite create 'All-Purpose Blues'

Blues musicians Ben Harper, Charlie Musselwhite performed the acoustic guitar-harmonica duet, "You Found Another Lover (I Lost Another Friend)" for Art Beat at the Gibson showroom in Washington, D.C.

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Blues musicians Ben Harper, Charlie Musselwhite performed the acoustic guitar-harmonica duet, "You Found Another Lover (I Lost Another Friend)" for Art Beat at the Gibson showroom in Washington, D.C. The song is off the duo's recent album, "Get Up."

On Friday's PBS NewsHour broadcast, senior correspondent Jeffrey Brown speaks with the duo about their collaborative effort to make "all-purpose blues."

Tom LeGro and Joshua Barajas shot this video.