Dr. Dre Fiona Apple and Alanis Morissette, In the past few years Elizondo has since worked for many of Dr. Dre's productions. Dr. Dre also told "Scratch" magazine in a 2004 interview that he has been studying piano and music theory formally, and that a major goal is to accumulate enough musical theory to score movies. In the same interview he stated that he has collaborated with famed 1960s songwriter Burt Bacharach by sending him hip hop beats to play over, and hopes to have an in-person collaboration with him in the future. Dr. Dre has stated that he is a perfectionist
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