Felix Martin Andreas Matthias Blume, known professionally as Kollegah, is a German rapper. He releases his music via his own label, Alpha Music Empire.
Born in Friedberg and raised by a single mother in Simmern, he started rapping in the Reimliga Battle Arena in December 2004. Intending to pursue a solo career as a rapper, Kollegah released his first mixtape Zuhältertape in July 2005 and was signed to Selfmade Records in December of the same year. He went on to pursue a variety of styles on subsequent albums Alphagene, Kollegah and Bossaura. His fourth studio album, King, was released in 2014 and became his best-selling album to date. His fifth album, Zuhältertape Vol. 4, was released in 2015, Imperator in 2016 and Monument in 2018.
Kollegah also released four collaborative studio albums with German rapper Farid Bang, the Jung brutal gutaussehend tetralogy, between 2009 and 2018.