[4] In 2015, Colt released his first independent tracks, "Narcotic" and "Traded For You," which caught the attention of the YouTube platform Colors, founded around the same time.
[7] In 2017, Colt released his first project with Sony, the five-track EP "LH914," named after the one-way ticket he arrived in London with a few years prior.
[8] Colt then performed "Bury Me Alive" in his second collaboration with the music platform Colors, leading the track to become a viral hit with several million views in the first weeks after its release.
In 2019, his song "Bury Me Alive" appeared on the soundtrack of the Netflix series "Wu Assassins," reaching the top of the American Shazam trend charts.
[10] In early 2020, Colt parted ways with Sony after securing the rights to his entire music catalog to establish his own independent record label.
[17] In May 2023, Colt appeared as a guest on the ZDFNeo show "Studio Schmitt," where he discussed his career path, cultural differences in international hip-hop, and his experiences in the music industry, while also premiering his single "RAGE" on German television.
[18] In July 2023, Kelvyn Colt also appeared on the ARD show "ttt – titel, thesen, temperamente," where he reflected on his career and discussed the societal influences of "GERMAN ANGST".