American hardcore punk band formed in Hermosa Beach, California in 1976 by guitarist Greg Ginn. Foundational to the development of American hardcore punk. Multiple vocalists during the band's history; Henry Rollins (1981-1986) is the best-known.
Seven studio albums between Damaged (1981) and In My Head (1985). Co-founded SST Records, which became one of the most influential American indie labels. The original lineup disbanded in 1986; Ginn revived the band in 2003 and 2013 with varying lineups. The band's logo — four black bars in a row — is among the most recognized in punk rock.
