He also plays bass in a German/Dutch progressive death metal band Noneuclid, as well as progressive death metal project Alkaloid along with former members of both Obscura and Noneuclid.

[1] After finishing studies, he did a lot of session work in different genres, and in the meantime, was in a number of different German bands, Fall of Serenity being the most well-known one.

In 2014, Klausenitzer takes part in the brand new band called Alkaloid.

[citation needed] In April 2020, Klausenitzer, as well as his bandmates Rafael Trujillo and Sebastian Lanser, left Obscura due to musical differences and founded a new band named Obsidious.

[3] In 2021, Klausenitzer appeared as live bassist for the German metal band Beyond the Black and played also on their "ORIGINS - The Online Acoustic Experience" live-stream concert.