Trettmann is a German-born artist known for his work in the reggae and hip-hop genres. His career began with experiments in reggae, but he later gained recognition for his collaborations with the production team KitschKrieg , which led to the creation of a unique sound. Among his most popular tracks are "Grauer Beton" and "Knöcheltief" which have received widespread acclaim. Trettmann has also collaborated with artists such as Megaloh and Marteria , cementing his position in the German music industry. His contributions to the development of German hip-hop and reggae make him one of the genre's key figures.

• Genres: Рэп и хип-хоп, Регги
• Language: German