Instrumental Version. 2001 is the second studio album by Dr. Dre. It was released on November 16, 1999, by Interscope Records as the follow-up to his 1992 debut album The Chronic. The record was produced primarily by Dr. Dre and Mel-Man, as well as Lord Finesse, and features several guest contributions from fellow rappers such as The D.O.C., Hittman, Snoop Dogg, Kurupt, Xzibit, Eminem, and Nate Dogg. 2001exhibits an expansion on Dre’s debut G-funk sound and contains gangsta rap themes such as violence, promiscuity, drug use, street gangs, sex and crime.