There was a lot going on back in 1999. Will Smith was declaring the next thousand years for himself, everyone was waiting for that big party Prince had promised and there was far, far too much clip art around. So it’s no wonder that some people missed a very quiet yet incredibly important moment in music history. Like the proverbial ripple in the pond (or butterfly hadouken) the release of American Football’s debut started as a small, localised wonder but since has proved to be a landmark and touchstone, for many reasons, but most notably for its influence on nascent genres like emo and post-rock. The…