Sieren has been played on NTS in shows including Raji Rags, featured first on 6 October 2017. Songs played include Lost You and Slinger.

Sieren is the maiden name of Matthias’ mother and also his the alias under which he started to release his first free tracks in 2011. It was not until a few years later that he began to make the most of his love for field recording and experimental soundscaping and is now throwing his full force into music. 2013 marked the year of his debut-release on Project:Mooncircle and Finest Ego, various collaborations with artists like Robot Koch, a guestmix feature on…