A post which questioning Dr. Dre's professionalism has recently went viral on Instagram. The author of the post said: "Can anybody tell me if they have any footage actually playing the drum machine, playing a keyboard or making a beat in the studio?" A lot of musicians have responded in comments, including Ice Cube, Mike Dean, Scott Storch, Rick Ross, The Alchemist, Royce Da 5'9" and many more. You can check the reactions below: Watch the video below: View this post on Instagram A post shared by SMEL 🇺🇸 🇲🇦 (@smel.world)