Neon lights cut through the darkness that filled Red Rocks Amphitheatre just before 1 a.m. on September 11, 2011. On stage, Sound Tribe Sector 9 started to play the final song of its encore, a meandering track called "Baraka" that starts out like a trippy lullaby punctuated by throbbing bass notes and then rises and falls in waves of cymbals, bongos and frantic electric guitar. The sold-out crowd whistled and cheered, hands in the air, as they bobbed... More >>>