2001 (Dr. Dre album) sound and the strings and orchestration. So I'd be on the keyboards, and Mike [Elizondo] was on the bass guitar, and Dre was on the drum machine." Josh Tyrangiel of "Time" has described the recording process which Dr. Dre employs, stating "Every Dre track begins the same way, with Dre behind a drum machine in a room full of trusted musicians. (They carry beepers. When he wants to work, they work.) He'll program a beat, then ask the musicians to play along; when Dre hears something he likes, he isolates the player and tells him how to refine the sound."
Dr. Dre was introduced to fellow Pittsburgh native Melvin "Mel-Man" Bradford. At this time, he also switched from using the E-mu SP-1200 to the Akai MPC3000 drum kit and sampler, which he still uses today. Beginning with his 1996 compilation Dr. Dre Presents the Aftermath, Dre's production has taken a less sample-based approach, with loud, layered snare drums dominating the mix, while synthesizers are still omnipresent. In his critically acclaimed second album, 2001, live instrumentation takes the place of sampling, a famous example being "The Next Episode", in which keyboardist Camara Kambon re-played live the main melody from David McCallum's 1967 jazz-funk