People weren't joking when they called the Clash "the only band that matters." At the end of a decade when most rock music was being made by increasingly self-possessed millionaires, the Clash were a revelation. They played like the Who on speed (which is a pretty big deal, considering the Who were on speed to begin with) and howled about -- well, it was hard to make out just what Joe Strummer was singing on those first few records, but you could tell he was pissed. More importantly...  [+]