Black on Both Sides is the debut solo studio album by #YasiinBey, previously known as #MosDef, released on October 12, 1999, through Rawkus and Priority Records. The album reached number 1 on the US Billboard Top R&B/Hip-Hop Albums chart and peaked at number 24 on the Billboard 200. On February 2, 2000, it was certified Gold by the Recording Industry Association of America (RIAA) for sales exceeding 500,000 copies.