| General info : | | Rytmihäiriö (Finnish for 'arrhythmia') is a Finnish hardcore punk / thrash metal crossover band which was initially active from 1988 until 1992, when the band was put on a hiatus. It had a comeback in 1998 with a number of changes in the line-up. | |
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| Source : | | Wikipedia (en.wikipedia.org/wiki/Rytmih%C3%A4iri%C3%B6) | |
| Websites | | Discogs (www.discogs.com/artist/330981-Rytmih%C3%A4iri%C3%B6) | |
| Websites | | Facebook (www.facebook.com/rytmihairio) | |
| Websites | | Official Website (www.surmacore.com/) | |
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| Copied Wikipedia parts under license : | | Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) | |