Black Flag, American rock band whose extensive touring and prolific recording helped to popularize hardcore punk, the genre that arose in California in the early 1980s in response to the punk movement of the 1970s. The original members were guitarist Greg Ginn, bassist Chuck Dukowski, lead singer Keith Morris, and drummer Brian Migdol. The band went through numerous personnel changes, and various members launched reboots decades after the group dissolved in 1986. […]