There is more than one artist with this name:
1) A Canadian technical death metal band. Martyr's intricate and aggressive Technical Metal style is built on complex structures which allies a multitude of emotions from many different musical approaches. The music is not limited to the conventions of traditional metal music, the band striving to push those limits to create a more open-minded concept.
HISTORY & ACTUAL LINEUP
Martyr is based in Quebec, Canada. Their music is often seen as technical progressive death metal. Read more on Last.fm