High Quality Content by WIKIPEDIA articles! Comfort Dental Amphitheatre is a 17,916 capacity amphitheatre located in Greenwood Village, Colorado. It is the largest outdoor amphitheatre in the Denver metropolitan area. The amphitheatre is generally open every year from May to September.It features 7,500 fixed seats and a general admission lawn section. The amphitheatre is nestled in Greenwood Plaza near the Denver Technological Center amongst office buildings. It opened in 1988 under the original name of Fiddler's Green Amphitheatre with a performance by Dan Fogelberg on June 11, 1988. It was later renamed to Coors Amphitheatre and had an exclusive operating contract with House of Blues until its sale to the new operator Live Nation. John Mayer and Counting Crows opened their 2003 tour with Maroon 5 on July 7, 2003 at Coors Amphitheatre with pre-tour rehearsals taking place at Coors Amphitheatre.