There are (at least) four bands named Amarok:
1) Amarok is a Polish folk progressive rock band. It was started in 2001. The band is headed by Michał Wojtas, who plays guitar, piano and does sampling and programming. Other musicians appear in an inconsistent manner for vocals, drums and various other instruments. Michal's guitar has been said to be heavily influenced by Pink Floyd and Dire Straits.
Official site: http://www.amarok.pl/eng.html
2) Amarok is a doom/sludge metal band from California. Read more on Last.fm
