The Philadelphia International All Stars was a collaborative ensemble of artists associated with the Philadelphia International Records label in the 1970s. Known for its unique "Philly Soul" style, the group featured notable members such as Teddy Pendergrass, Lou Rawls, and The O'Jays, among others. Their signature sound, characterized by lush orchestration and complex vocal arrangements, was influential in the development of disco and modern R&B. The ensemble's most recognized work is "Let's Clean Up the Ghetto," a socially-conscious track that showcased the collective's vocal prowess and thematic depth.