Musical origins Lang, trained in classical piano and bass guitar, formed soul-influenced band "The O'My's" in 2005 with several friends in Chicago. This would lead to collaborations with local acts including
Chance the Rapper,
Vic Mensa, and
Mick Jenkins.
New Orleans, return to Chicago, and SZA Lang graduated high school and parted ways with his group, moving from Chicago to
New Orleans to attend the
Loyola University New Orleans music business program, where he was exposed to a diverse soundscape. After graduating from the Loyola College of Music & Media and returning to Chicago four years later, Lang began producing for members of Chicago Hip-Hop collective
Savemoney, with whom he grew up. After an initial collaboration at SZA's
Lollapalooza set that year, he became a member of her touring band. He would also work with rapper Doja Cat, creating Top 5 single "
Kiss Me More" featuring SZA (later winning the
Grammy Award for Best Pop Duo/Group Performance), as well as promotional single "Okloser" from her deluxe album
Scarlet 2 Claude. In 2024, Lang won his first Grammy (for
Best Progressive R&B Album) as a main producer on SZA album
SOS. 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. In 2025, Lang was recruited to co-write and co-produce a majority of
Justin Bieber's seventh studio album
Swag, including standout tracks "
All I Can Take" and "
Daisies". ==Production and songwriting credits==