If you’ve ever seen a really tight percussion/performance group, and wondered how they got to be so damned well tight, so deeply in unison, I can tell you. They practiced like mad. Like absolute mad. The dance steps and everything. Outside my window. If I had more time, I would grab some audio and post it. Maybe tomorrow. They’ve been practicing for hours every evening and I’m sure they won’t suddenly stop tomorrow. I’m not complaining, by the way. I can always put music on, and it basically drowns it all out. But it is quite amazing how singlemindedly dedicated …