Krokus is a Swiss hard rock and heavy metal band formed in 1975. They were popular in North America during the 1980s. The band was founded in Solothurn in 1975 by Chris von Rohr and Tommy Kiefer (guitar), both former members of Kaktus. Former TEA vocalist Marc Storace joined the band as frontman in time for their Metal Rendez-vous album in 1980.

Solothurn is a town, a municipality, and the capital of the canton of Solothurn in Switzerland. It is located in the north-west of Switzerland on the banks of the Aare and on the foot of the Weissenstein Jura mountains.