I've been hanging out at a few music jams over the last several months, getting to know some of the local talent and sharing mine with them. (Which is a silly way of saying, taking turns playing guitar and singing with them.) And this week, one of those fellow musicians asked if I wanted to play a set at a local craft fair. There were several other folks there performing before me, and I knew them all -- knew their style, was comfortable with it -- and figured, hey, a small-town craft fair can't be that busy, especially toward the end of it. So I said, sure, I'll play and sing for a half-hour or so after you all are done. I walked in and realized, there's vendors . and people eating lunch . and more people . Since when did so many people hang out at small-town craft fairs? Anyway. For me, it's one thing to play guitar and sing in front of people I know, like at church. It's one thing to play guitar as backup for another singer, musician or group. It's ...