Identify Yourself is a 1979 album by American R&B group The O'Jays, released on the Philadelphia International Records label. It was recorded at Sigma Sound Studios in Philadelphia, with four tracks produced by Kenny Gamble and Leon Huff, three by group members Eddie Levert and Walter Williams and one by the esteemed Philadelphia producer and composer Thom Bell. 　　Identify Yourself produced two top ten R&B singles: "Sing a Happy Song" (#7) and "Forever Mine" (#4); the latter also peaked at #28 on the pop chart, the group's last single to reach the pop top 50. The album sold well, making #3 R&B and #16 pop, and was certified platinum for sales of over one million copies sold.