Dr. Dre been influential far beyond the West Coast. The beat for the Houston-based group Geto Boys 1996 song "Still" follows the same drum pattern as "Natural Born Killaz" and Eazy E's "Wut Would U Do" (a diss to Dre) is similar to the original "Murder was the Case" instrumental. This style of production is usually accompanied by horror and occult-themed lyrics and imagery, being crucial to the creation of horrorcore. By 1996, Dre was again looking to innovate his sound. He recruited keyboardist Camara Kambon to play the keys on "Been There, Done That", and through Bud'da and Sam Sneed he
Dr. Dre Entertainment in 1996, Dr. Dre took on producer Mel-Man as a co-producer, and his music took on a more synthesizer-based sound, using fewer vocal samples (as he had used on "Lil' Ghetto Boy" and "Let Me Ride" on "The Chronic", for example). Mel-Man has not shared co-production credits with Dr. Dre since approximately 2002, but fellow Aftermath producer Focus has credited Mel-Man as a key architect of the signature Aftermath sound. In 1999, Dr. Dre started working with Mike Elizondo, a bassist, guitarist, and keyboardist who has also produced, written and played on records for female singers such as Poe,