Kosma refers to two artists, a german electronic specialist from Jazzanova (Kosma on Infracom) and a small Finnish pop/rock band (http://www.kosma.fi). Below is the bio of the German artist. Kosma, a.k.a. Roskow Kretschmann is one of the six Jazzanova members. His musical foundation goes back to the year 1987 when he began to build a name for himself as a Hip Hop producer in the Berlin underground scene.