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 popular music, having been used in over 1700 songs. From "Straight Outta Compton" on, Dre uses live musicians to replay old melodies rather than sampling them. With Ruthless Records, collaborators included guitarist Mike "Crazy Neck" Sims, multi-instrumentalist Colin Wolfe, DJ Yella and sound engineer Donovan "The Dirt Biker" Sound. Dre is receptive of new ideas from other producers, one example being his fruitful collaboration with Above the Law's producer Cold 187um while at Ruthless. Cold 187 um was at the time experimenting with 1970s P-Funk samples (Parliament, Funkadelic, Bootsy Collins, George Clinton etc.), that Dre also utilized. Dre has since