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 and "Training Day". A song of his, "Bad Intentions" (featuring Knoc-Turn'Al) and produced by Mahogany, was featured on "The Wash" soundtrack. Dr. Dre also appeared on two other songs "On the Blvd." and "The Wash" along with his co-star Snoop Dogg. In February 2007 it was announced that Dr. Dre would produce dark comedies and horror films for New Line Cinema-owned company Crucial Films, along with longtime video director Phillip Atwell. Dr. Dre announced "This is a natural switch for me, since I've directed a lot of music videos, and I eventually want to get into directing." Along with fellow