With his hip-hop band The Swag, he kickstarted the lively Berlin hip-hip event The Swagjam, which takes place every Tuesday in the Badehaus club.

Jan has played live with the following bands and artists: Sido, Culcha Candela, Marteria, Adel Tawil, Mark Forster, Irie Revoltes, Rotfront, Jaqee, Band ohne Namen, Oceana, Mono&Nikitaman, Bass Sultan Hengst, Moses P, Afrob, B-Tight, K.I.Z. , Alpa Gun, Mc Rene, Jiggs Whigham a.o.

Jan published the drumming text book SWAGDRUMMING which delved into topics like inbetween-shuffle and qintuplets-drumming.