The second box set celebrating the 50th anniversary of Philadelphia International Records (PIR), the label that spearheaded the Philly Soul movement. This release features eight albums from legendary artists such as The O'Jays, Billy Paul, Harold Melvin & the Blue Notes, The Three Degrees, The Intruders, and Spiritual Concept. The set comes in a slipcase that includes a stylish 48-page booklet, a numbered certificate of authenticity, a limited-edition 12-inch single, and a unique poster.