Linløkken, Sørlie and Lagim all worked at Funcom, making music specifically for the game.
Making a game is as much about making the music as about making the rest of the game.
All badly tagged music. FunCom doesn't make the music itself, they get professional music composers to make music for their games.
In the case of Age of Conan, Knut Avenstroup Haugen is the composer of the game soundtrack.