Dave Mason, Traffic Co-Founder and “We Just Disagree” Singer-Songwriter, Dies at 79

In conversation, Dave Mason spoke like a working musician first, still engaged with the day-to-day of it and more concerned with the next show than revisiting the past. “You better be somewhat flexible,” he once told me. “I’ve played all kinds of places, 300 people to 200,000. Basically, I treat it as another show. And the rest of it, they’re just life lessons.” This mindset took root early on, in his time with Traffic, and carried forward in the way he worked with others. In late-’60s London