According to James and Adambot, Tool will be joining the lineup for the Mile High Festival in Denver, Colorado. Tool will play with the likes of Widespread Panic, Ben Harper & Relentless7, G. Love & Special Sauce, Ani DiFranco, India.Arie, the Black Keys and the 18th of July. Tool would appear to be a unusual addition to the line-up, far heavier than anyone else on the show, unless Tool are planning to do some acoustic songs, and cover some of their classic rock favorites…