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 single "No Diggity" by R&B group Blackstreet in 1996: it too was a sales success, topping the Hot 100 for four consecutive weeks, and later won the award for Best R&B Vocal by a Duo or Group at the 1997 Grammy Awards. After hearing it for the first time, several of Dr. Dre's former Death Row colleagues, including 2Pac, recorded and attempted to release a song titled "Toss It Up", containing numerous insults aimed at Dr. Dre and using a deliberately similar instrumental to "No Diggity", but were forced to replace the production after Blackstreet issued the label with a