1) Fehler is a Belfast-based design collective who also dabble in sound art. 2) Fehler are a four-piece sludge metal outfit from the south of the Netherlands, known for their dark blend of ground shaking riffs combined with heavy rhythms and dissonant, black metal like atmospheres. Key influences to their sound are sludge heavy weights like Crowbar and Torche but also feature the more melodic aspects of bands like Mastodon and High on Fire. Their songs vary from short and aggressive outbursts to sound-layered epics.

Read more about Fehler on Last.fm.