Related Information for Crass Crass were an English anarcho-punk band, formed in 1977 and based around Dial House, an open house community near Epping, Essex, England.In contrast to the Sex Pistols 'anarchy', Crass' attitude was more directly influenced by libertarian socialist philosophy and anarchism's nineteenth century roots. In the process they promoted anarchism as a legitimate political ideology, way of living, and as a resistance movement, popularizing the seminal peace punk movement.. read more