Reggae star Ziggy Marley entered the election fray with a new song this week. But unlike most musicians, who focus on bland turnout appeals or conventional candidate endorsements, Marley is calling for pot legalization.

That’s not just tour bus talk, either. As news junkies and potheads already know, the California ballot includes a referendum on legalizing marijuana, Prop 19. Marley’s new tune, "A Fire Burns for Freedom," can be downloaded for free from his homepage, and the grammy-winning star turned up on MSNBC’s Dylan Ratigan show to explain the campaign: