2001 (Dr. Dre album) were later cut from the final track list. The tracks have been leaked later on several mixtapes, including "Pretox". The album's production expanded on that of "The Chronic", with new, sparse beats and reduced use of samples which were prominent on his debut album. Co-producer Scott Storch talked of how Dr. Dre used his collaborators during recording sessions: "At the time, I saw Dr. Dre desperately needed something. He needed a fuel injection, and Dre utilized me as the nitrous oxide. He threw me into the mix, and I sort of tapped on a new flavor with my whole piano
Dr. Dre discography Aftermath Entertainment, Dr. Dre focused on producing for other artists during the 2000s and appeared on singles by Eminem, including "Encore" in 2004 and "Crack a Bottle" in 2009. Dr. Dre began recording his cancelled album "Detox" in 2003, and intended it to be his final album. As of February 24, 2011, two singles "Kush" (featuring Snoop Dogg and Akon) and "I Need a Doctor" (featuring Eminem and Skylar Grey) have been released along with music videos for each. In September 2014, Aftermath producer Dawaun Parker revealed that Dr. Dre was working on a new album, but that it would