The lineup for this year's Monolith Festival at Red Rocks Amphitheatre in Denver will feature headliners Justice [ tickets ] and Devotchka [ tickets ], in addition to dozens of indie favorites and blog darlings, according to event organizers.

The festival, scheduled for Sept. 13-14, also will feature Silversun Pickups [ tickets ], Band of Horses [ tickets ], TV on the Radio [ tickets ], Sharon Jones & the Dap-Kings [ tickets ], Vampire Weekend [ tickets ], Neko Case [ tickets ], Del tha Funky Homosapien, The Kills, Tokyo Police Club, The Fratellis and Superdrag, among many others.