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 the song "Set It Off" by Canadian rapper Kardinal Offishall (also with Pusha T); the remix debuted on DJ Skee's radio show. At the beginning of 2009, Dre produced, and made a guest vocal performance on, the single "Crack a Bottle" by Eminem and the single sold a record 418,000 downloads in its first week and reached the top of the "Billboard" Hot 100 chart on the week of February 12, 2009. Along with this single, in 2009 Dr. Dre produced or co-produced 19 of 20 tracks on Eminem's album "Relapse". These included other hit singles "We Made You", "Old