This place is probably the best overall for music in Chiang Mai. They have a lot of different stuff on, so it's important to check their web site to find out what's on.
It's a mixed bag of jazz, blues, latin, folk, acoustic, but it's all good :) And their pizza is better than good, it's awesome!
Boy Blues Bar is down the road, so if you're into music, these two bars are well worth checking out.
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