1 2009-08-20T16:04:30-06:00 September 12th and 13th of 2009, Red Rocks Amphitheatre will once again transform into the center of the live music universe for a weekend with “MONOLITH”, the largest music festival to grace the grounds of the "Best Live Music Venue in North America" (Pollstar). The 2009 MONOLITH Festival will feature over 50 performing artists and five stages! 1 0 5 http://www.monolithfestival.com/ Monolith Festival 2009 Monolith monolith2009 http://www.monolithfestival.com/tickets 2009-08-20T16:04:30-06:00