Facts: - years active: 1987 -- present - origin: oslo , norway - genre: doom metal , black metal -lrb- early -rrb- - name: valhall - background: group_or_band - label: housecore records - current members: ronny kristian valbo sorkness kenneth sorkness frank wanberg gylve fenriz nagell Based on these bullet points, write a short biography describing the life of valhall -lrb- band -rrb- .
Answer:
valhall is a norwegian doom metal band .the band is noted for having briefly had former ulver drummer erik lancelot in their ranks , and for having fenriz -lrb- of darkthrone -rrb- -lrb- 1987-present -rrb- as their main drummer .