A Jagged Era is the debut studio album by American R&B group Jagged Edge, released on October 21, 1997 by So So Def and Columbia Records. The quartet worked with So So Def head Jermaine Dupri on the majority of the album. A Jagged Era peaked at a number 104 on the US Billboard 200 and at number 19 on the Top R&B/Hip-Hop Albums. Despite its disappointing peak, the album was moderately successful with sales of over 500,000 copies in the United States, earning a Gold certification by the Recording Industry Association of America (RIAA). In 2009, the album was the best-selling album in cassette format.