As anyone who has ever seen the movie Spinal Tap will tell you, musicians can be an odd bunch. Whether it’s trying to hit 11 on your amplifier, or wandering clueless backstage to find your way to a performance, there’s always a story to tell at any given show. One such night happened at Rosa’s in Portsmouth, New Hampshire (or The Rosa, officially, although no one I knew ever called it that) when White Lies played. People would come to us between sets to say how much fun we were to watch, but we always felt the same the other way around: the audience was at least as much fun to watch as we were. You just never knew what was going to happen, especially when playing in a bar and the evening wore on. The tiny dance floor was packed shoulder-to-shoulder one Friday night, when a couple of guys threw…