Please answer the following question: Facts:   - years active: 1982 -- 1987    - past members: bruno hansen - guitar , vocals    - origin: nyköping , sweden    - genre: rock , viking rock      - notable instruments: guitar , bass , drum    - name: ultima thule    - background: group_or_band    - website: -lsb- http://www.ultimathule.se]    - current members: jan thörnblom - guitar , vocals   Based on these bullet points, write a short biography describing the life of ultima thule -lrb- swedish band -rrb- .
Answer:
ultima thule -lrb- latin for `` farthest north '' -rrb- is a swedish rock band .their style is based on what they call `` vikingarock '' -lrb- `` viking rock '' -rrb- , which combines occasional folk melodies with rock , mixed with oi !, street punk and teddy boy .some of their lyrics are versions of poems and traditional songs by evert taube , such as '' Änglamark '' .they have also released a version of sweden 's national anthem , `` du gamla , du fria ' '' .they have been described as a white power band , though ethnomusicologist benjamin r. teitelbaum disputes this classification .`` för fäderneslandet '' is ultima thule 's most popular album , selling more than 100,000 copies .`` vikingabalk '' , their second best selling album , went gold with more than 80,000 copies sold .