The Denver Brass The Denver Brass, 2253 Downing St., Denver, CO 80205 Local: (303) 832-4676 Visit Website Overview The Denver Brass features an inspiring sound experience. Related Articles Things to Do with Kids in Boulder: Ideas by Age 13 Uniquely Boulder Shops The Top Things to Do in Boulder 10 Ways to Savor "America's Foodiest Town" A Guide to Boulder’s Flatirons Scenic Drives from Boulder