Dr. Dre rarely posts on social media but when he does, you know it's a special occasion. The legendary west coast producer shared the video of RJ Payne's recent freestyle on Bars on I-95 with the caption: "Some of the best rappin I’ve heard in a long time @iamrjpayne!!" View this post on Instagram A post shared by Dr. Dre (@drdre) RJ Payne responded: "IM BEYOND HONORED TO NOT ONLY BE CO SIGNED BY @eminem BUT NOW ALSO BY THE OG @drdre THIS IS AN AMAZING FEELING & I PROMISE YALL JUST THE BEGINNING S/O 2 MY MENTOR @icet FOR BELIEVING IN ME." View this post on Instagram A post shared by RJ PAYNE (@iamrjpayne)