: The lead single from Dre's second album, 2001 [5]. It is famous for its high-pitched piano riff and served as a comeback statement for both artists [14, 22].
: Snoop Dogg's debut appearance on Dr. Dre's first solo single [20]. Originally written for the soundtrack of the film Deep Cover , it features the famous line, "187 on an undercover cop" [17, 25]. Dr Dre Ft Snoop
: Snoop considers Dre a "big brother" who taught him how to separate from "the hood" and focus on professional business ventures [26]. : The lead single from Dre's second album, 2001 [5]
: The lead single from Dre's album The Chronic [18]. It reached number two on the Billboard Hot 100 and is widely considered a defining track of the G-funk era [18, 21]. it features the famous line