I don’t pay too much attention to bands that are hot on the internet: the p4k bands, the blog-hyped bands, the college bands, the hipster bands. But a few of my friends like The xx and I listened to them enough, and liked them enough, to check them out at 6th & I Synagogue on a Sunday afternoon. It was a strange show. Weirdly, I was both impressed and disappointed at the same time, but it was a pleasant way to spend an hour. It gave me several things to reflect and pontificate upon. (They played…