What is "luttenberger*klug"

Luttenberger*Klug is a pop duo from Styria, Austria and consist of Michelle Luttenberger (Born 12.7.1990, Feldbach) and Chrissi Klug (Born 5.2.1989, Deutschlandsberg).

Their music style fits in well into the Austropop-movement, lying somewhere between pop and rock. The band is produced by Alexander Kahr who also produced another famous Austrian singer, Christina Stürmer.