2001 is the second studio album by American hip hop recording artist Dr. Dre. It was released on November 16, 1999 by Interscope Records. "2001" is the follow-up to Dr. Dre's first album "The Chronic" (1992). The album features several guest rappers such as Hittman, Snoop Dogg, Kurupt, Xzibit, Nate Dogg, and Eminem. "2001" has been certified sextuple platinum in sales by the RIAA after sales of six million copies in the United States.