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 and is known to pressure the artists with whom he records to give flawless performances. In 2006, Snoop Dogg told the website Dubcnn.com that Dr. Dre had made new artist Bishop Lamont re-record a single bar of vocals 107 times. Dr. Dre has also stated that Eminem is a fellow perfectionist, and attributes his success on Aftermath to his similar work ethic. He gives a lot of input into the delivery of the vocals and will stop an MC during a take if it is not to his liking. However, he gives MCs that he works with room to write