He is best known for his production work on SZA's albums Ctrl (2017) and SOS (2022), as well as his contributions to Chicago's burgeoning R&B/Hip-Hop scene.
[6][7] Lang, trained in classical piano and bass guitar, formed soul-influenced band "The O'My's" in 2005 with several friends in Chicago.
[8] This would lead to collaborations with local acts including Chance the Rapper, Vic Mensa, and Mick Jenkins.
Lang was subsequently introduced to recording artist SZA in 2015 through a joint studio session with mutual friend Peter CottonTale, Chance The Rapper's music director.
In 2025, Lang won his second Grammy Award (in the Best R&B Song category) as a writer on SZA's lead single "Saturn" from 2024 SOS reissue Lana.