It wasn't long before punk rock expanded beyond just New York City, London, and Los Angeles during the mid- to late '70s, as evidenced by the emergence of the long-running Vancouver, Canada-based outfit D.O.A. They are often credited, alongside bands like Black Flag, Germs, Angry Samoans, and Bad Brains, as co-founders of the hardcore scene -- their sophomore effort, Hardcore '81, even references the term. Known for their outspoken, politically charged rhetoric and deference to causes like anti-racism, environmentalism, and anti-globalization, the band has been operating since...