Alexander Fleming debuted as Black Atlass in 2013 with "Paris," a single that hinted at his range by featuring an acoustic piano version along with the original electronic mix. He appeared on Action Bronson's Top Ten album "Mr. Wonderful" in 2015 and issued his first full length, "Haunted Paradise" in 2016. Fleming signed with The Weeknd's XO Records in 2018. That year, he appeared on the "Fifty Shades Freed" soundtrack with his and Jessie Reyez's "Sacrifice," a song that quickly racked up tens of millions of streams. In 2018 he also released his first studio album "Pain & Pleasure" which was nominated for R&B/Soul Recording Of The Year at the 2019 Juno Awards. 2020 saw the release of his second studio album "Dream Awake." In 2022 Fleming released his latest album "Infinite" under his own label Black Atlass Inc.