There are, at least, two bands named Katzenjammer: 1) A folk group from Oslo, Norway. Mixing a variety of musical styles with multi-instrumentalism, the band consists of Anne Marit Bergheim, Solveig Heilo, Marianne Sveen and Turid Jørgensen. Most of their material is written by their friend Mats Rybø; however, the band also contribute songs written by themselves. The band is easily recognizable by their signature custom Balalaika bass with the face of a cat painted on it...