Depeche Mode performed at the amphitheater four times: July 1, 1986, July 11 and 12, 1990, during their World Violation Tour, and on August 27, 2009, during their Tour of the Universe, in front of a crowd of 8,679 people Depeche Mode played 2 nights at Red Rocks Amphitheatre on the World Violation Tour: July 11 – July 12, 1990. Wiki link