1380 West Florida Avenue For skeptics, the term free concert might conjure up the image of a snoozy evening of nearly unbearable music.but, hey, at least it s outside. But when those naysayers finally get themselves to Denver s Ruby Hill Park to check out one of the fifty free shows offered every summer at the nonprofit Levitt Pavilion, they ll realize they had it all wrong. A Levitt show offers full production: high-quality sound, lighting design and massive projections to bring the audience up close to the action. In addition, the artists showcased by the venue are a who s who of up-and-coming local and touring bands. Chances are they ll soon be among your favorites.