Robaer has stood since 1996 behind the turntables. He quickly became the resident DJ in several large Munich clubs.In 2008 he released his first single "Rock The Club" on Paranoja Records. In the same year he founded together with Bernhard Nusser alias Bernd Hall, the duo Robaer & Beatnut5. Together, they released 11 singles (Baumkatze, Touch Me, and others), among other things on her own label "Robeat5 Records". They also produced several remixes for other artists. Robaer & Beatnut5 have also been seen among others at the IFA in Berlin, the Games Convention in Leipzig, in Graz, Nuremberg, Stuttgart, Salzburg and other major cities.In 2009 he founded together with Bernhard Nusser the project "Munich House Mafia" and at the end of 2010, Marco Zanfardino joind the group. Under the name