Dr. Dre there. Eminem then heard the track, and he wrote the rap to it." This account is essentially confirmed by Eminem in his book "Angry Blonde", stating that the tune for the song was composed by a studio bassist and keyboardist while Dr. Dre was out of the studio but Young later programmed the song's beat after returning. A group of disgruntled former associates of Dr. Dre complained that they had not received their full due for work on the label in the September 2003 issue of "The Source". A producer named Neff-U claimed to have produced the songs "Say What
Dr. Dre Time's Sake", and "3 a.m." (The only track Dre did not produce was the Eminem-produced single "Beautiful".) On April 20, 2010, "Under Pressure", featuring Jay-Z and co-produced with Scott Storch, was confirmed by Jimmy Iovine and Dr. Dre during an interview at Fenway Park as the album's first single. The song leaked prior to its intended release in an unmixed, unmastered form without a chorus on June 16, 2010; however, critical reaction to the song was lukewarm, and Dr. Dre later announced in an interview that the song, along with any other previously leaked tracks from "Detox"s recording process, would