Denver's growing roster of summer music festivals, jam-packed with big-name headliners and the Mile High City's best local bands, are a music-lover's dream come true. You'll also find that tickets are often extremely affordable -- let's just say you're going to get more than enough bang for your buck! Here's a look at some of the biggest and best of the bunch. (And don't forget to check out all the incredible Summer Music in the Outdoors taking place in Denver this summer, including shows at Red Rocks, the Botanic Gardens and Fiddler’s Green.)