Questlove Curates Fourth of July Jam, the Roots to Headline
Having just completed their fourth annual Roots Picnic, the hardest working band in show biz, the Roots, have been announced as the headliners of the "largest free concert in America": Philly's Fourth of July Jam.
Drawing over 500,000 attendees each year, Philly's Fourth of July Jam, presen…