BETHLEHEM, Pa. (WPVI) -- A surprise performance greeted fans at Musikfest Friday night in Bethlehem.
Our own Matt O'Donnell hit one of the stages.
He sat in on drums with the Sofa Kings after greeting fans in the 6abc tent.
Musikfest continues through Sunday with a closing concert by Jason Mraz.
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Matt O'Donnell gives surprise performance at Musikfest in Bethlehem