I'm no good at thinking ahead. Normally, I don't know what I'll be doing past tomorrow afternoon. But every now and then my internal calendar kicks in and schedules me for the next big thing. This year, the next big thing is the Mile High Music Fest, Denver's first and only major music festival. If your internal calendar functions as poorly as mine, make sure to write this down, because you'll be kicking yourself in the ass all summer if you miss this one.