Question: In what year was the heavy metal band from Tronheim, Norway, who specializes in music that embodies a continuous move between explicit and implicit references to genres and strategies derived from cultural domains, formed?
Sentence (from "Tulikoira"): A re-release by Headspin Records in 2007 has a bonus 7" containing material from the band's "Earthworm" EP recorded with the American singer Bruce Duff.
Relevant evidence: No