Biography
There are at least three artists under this name.
1) Headcrash is a German Alternative Crossover band, which mixes guitars and electronic programming.
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A short biography can be found Here:
http://www.deutschmusikland.com/bands/headcrash.php
2) Headcrash is a goregrind / grindcore band
3) Headcrash is hardcore techno producer Daniel Rombold. Released at Test (PCP sub-lbael). Aliases: Akira 101, The Blade Runner, he is also member of Industrial Terror Squad.
Biography text from Last.fm, available under CC BY-SA.