Christian started to produce his own electronic music in the mid-1990s. In 1995, he moved to Berlin, where he met radio DJ Thaddeus Herrmann in 1997. Together, they formed the project Herrmann & Kleine, releasing the album Our Noise in 2002 and two EPs. He continues to release music by himself & the ASIP labe. He designs instruments and features for Berlin based music software company Ableton.