‘12 Bar Blues’

Aaron Lee Tasjan's unique pub crawl shines on with all its random insight and weirdness

Every so often — not often enough, to be honest — I put on one of the discover modes in Spotify to see what new music I might be able to latch onto. I’m grateful to find any new song to love, but my tastes are so idiosyncratic that my batting average in finding one is about as low as … well, my batting average in most things. It’s much easier and so co…