Lauryn Hill at Welcome America

Welcome America fireworks explode over the Philadelphia Museum of Art on the Benjamin Franklin Parkway in Philadelphia on July 4th 2012. ( Ed Hille / Staff Photographer )

Yes folks, that was former Fugee and recent New Jersey tax delinquent Ms. Lauryn Hill who was the surprise guest at The Roots' hosted pre-fireworks shindig on the Benjamin Franklin Parkway last night, where Daryl Hall, Common, Queen Latifah and Joe Jonas also performed.

A minute of "Ex-Factor," a highlight that topped even Neil Young's "Keep On Rockin' In The Free World" as bombs were bursting in air, is below.

Previously: The Indepence Day Jam Follow In The Mix on Twitter

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