Dr. Dre in Santa Monica, California. An exclusive laptop, known as the HP ENVY 15 Beats limited edition, was released for sale October 22. In May 2014, technology giant Apple purchased the Beats brand for $3 billion, Apple's most expensive purchase by far. The deal made Dr. Dre the "richest man in hip hop", surpassing Diddy. During May 2013, Dr. Dre and Jimmy Iovine donated a $70 million endowment to the University of Southern California to create the USC Jimmy Iovine and Andre Young Academy for Arts, Technology and the Business of Innovation. The goal of the Academy has been stated as
Dr. Dre was introduced to fellow Pittsburgh native Melvin "Mel-Man" Bradford. At this time, he also switched from using the E-mu SP-1200 to the Akai MPC3000 drum kit and sampler, which he still uses today. Beginning with his 1996 compilation Dr. Dre Presents the Aftermath, Dre's production has taken a less sample-based approach, with loud, layered snare drums dominating the mix, while synthesizers are still omnipresent. In his critically acclaimed second album, 2001, live instrumentation takes the place of sampling, a famous example being "The Next Episode", in which keyboardist Camara Kambon re-played live the main melody from David McCallum's 1967 jazz-funk