Philadelphia is hosting “One Philly: Unity Concert for America” on July 4 to mark the nation’s 250th anniversary. Multiple outlets report that the free, open-to-the-public concert will feature major performers including Will Smith and Christina Aguilera, along with the Roots. Rolling Stone and Billboard both highlight the Roots’ participation, while Variety also lists additional acts such as DJ Jazzy Jeff and Jill Scott. Variety further names other special guests, including Seal, State Property, Kathy Sledge, Infinity Song, and additional performers, describing the lineup as combining mainstream stars with local or associated artists. The event is also presented as a celebration of Philadelphia’s historical role, with programming framed around the city’s legacy as a birthplace of the United States. Across the reports, the core details remain consistent: the concert is scheduled for July 4, titled “One Philly: Unity Concert for America,” and it is free and accessible to the public.