Within five years of his first output with Future, producer Leland Wayne amassed well over a dozen Top 20 R&B/hip-hop hits and a similar quantity of gold and platinum RIAA certifications. The St. Louis, Missouri native did it with a low-gloss, jet-black sound sufficiently reflected in his alias, Metro Boomin. Wayne got into production during his early teens and also rapped, though he eventually opted to devote all his energy to beatmaking. He connected with artists through social media, and prior to graduating high school, he'd logged thousands of miles on round trips to Atlan...