Dr. Dre chanting "DEEE-TOX", to which he replied, "I'm coming!" On November 14, 2011, Dre announced that he would be taking a break from music after he finished producing for artists Slim the Mobster and Kendrick Lamar. In this break, he stated that he would "work on bringing his Beats By Dre to a standard as high as Apple" and would also spend time with his family. On January 9, 2012, Dre headlined the final nights of the 2012 Coachella Valley Music and Arts Festival, on the weekends of April 13–15 and April 20–22, 2012. In a June 2014 interview with RapUpTV,
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