By 1979, the hardcore punk movement was emerging in Southern California. A rivalry developed between adherents of the new sound and the older punk rock crowd. Hardcore, appealing to a younger, more suburban audience, was perceived by some as anti-intellectual, overly violent, and musically limited. In Los Angeles, the opposing factions were often described as "Hollywood punks" and "beach punks", referring to Hollywood's central position in the original L.A. punk rock …