Leland Tyler Wayne (born September 16, 1993), professionally known as Metro Boomin (also known as Young Metro or simply Metro), is an American record producer, record executive, songwriter, and DJ. Raised in St. Louis, Wayne began a production career while in high school and became best known for his successful recordings with Atlanta rap artists such as Future, 21 Savage, Gucci Mane, and Migos in the mid-2010s. In 2017, Forbes called him "easily one of the most in-demand hitmakers in the world," while Stereogum described him as "one of the most original, vivid, important voices in rap right now."
Shayaa Bin Abraham-Joseph (born October 22, 1992), better known by his stage name 21 Savage, is an American rapper, record producer, and songwriter from Atlanta, Georgia. Abraham-Joseph grew up around criminality and eventually dropped out of school, beginning to rap in 2013 after the death of a friend. He gained attention in the Atlanta underground for the 2015 mixtape The Slaughter Tape before attaining nationwide attention following the Metro Boomin collaborative album Savage Mode (2016), its lead single "X", and his collaboration with Drake, "Sneakin'".
Abraham-Joseph released his debut studio album, Issa Album, in 2017 which debuted at number two on the Billboard 200 and gave Abraham-Joseph his first top twenty song, "Bank Account." He achieved his first number one single at the end of 2017 with his feature on Post Malone's "Rockstar." In 2017, he also released the Offset and Metro Boomin collaboration Without Warning.