Live Nation and Bill Bass Concerts present REGGAE ON THE ROCKS live at Red Rocks Amphitheatre on Sunday, August 22nd, 2021. Download the Red Rocks app before your visit. From digital ticketing with touchless entry, mobile ordering with express beverage pickup, park and venue maps, visitor tips, original Red Rocks content and more, the official Red Rocks app has everything you need for an unforgettable concert experience. REGGAE ON THE ROCKS at Red Rocks Amphitheatre on August 23, 2020 has been rescheduled to August 22, 2021. There is nothing you need to do as your tickets will be valid for the new date.