The Räuber, also De Räuber, are a Kölsch dialect band with roots in the Cologne carnival. Their repertoire consists for the most part of songs in Cologne, some are also written in High German. The band

Stahlkeller is a German thrash metal band from Magdeburg, Photos from their performance at Kult41.

"The Vulcan Itch" is a power rock trio from Athens, Greece, known for blending heavy riffs, catchy vocals, and powerful drums with influences from stoner rock and noise-rock.

Hailing from Aachen, (GER), TEMPEST have set out to thrash rock out any stage they can get their hands on. This time they thrashed the Kult41 stage in Bonn.