By now you've probably heard an earful about the approaching Jesus freak vs. pothead showdown on Sunday. But did you know that Saturday is also a big day in its own right? Yes, that's right, Saturday, April 19 marks the passage of Record Store Day, an annual international celebration of brick-and-mortar music purveyors. In San Francisco, that means a lot of celebrating, as there are a lot of record shops scattered throughout the city. In fact, nearly every neighborhood has a spot worth digging through. It doesn't matter if you're a hardcore collector or just a casual fan, we've assembled a quick refresher on some of the places worth checking out this weekend.