Complex sentence: Despite the audience's relatively small exposure to Canadian music, Déjà Voodoo managed to create a strong cult following, especially in Scandinavia, a feat which at that time no other underground Canadian artists had managed to achieve.
Split into simpler sentences: Despite the audience's relatively small exposure to Canadian music, Déjà Voodoo managed to create a strong cult following, especially in Scandinavia. A feat which at that time no other underground Canadian artists had managed to achieve.