Conversation so far:
What did Dre use to produce music?
Dr. Dre has said that his primary instrument in the studio is the Akai MPC3000, a drum machine and sampler.
Did Dr. Dre use any other instruments besides the Akai MPC3000, a drum machine and sampler.?
Other equipment he uses includes the E-mu SP-1200 drum machine and other keyboards from such manufacturers as Korg, Rhodes, Wurlitzer, Moog, and Roland.
Are there any other interesting aspects about the article about Dr. Dre?
Dr. Dre has stated that he is a perfectionist and is known to pressure the artists with whom he records to give flawless performances.

Question: Did the production equipment change?
Self-contained rewrite: Did Dr. Dre change his production equipment?