While many young bands in San Antonio and elsewhere make loosely psychedelic music, most come at it from a very garage-pop, fuzz-filled place. For local act Cliffside of the Pinkeyed Sky, which will celebrate the release of its debut EP Spacetime on Friday, the route to a psychedelic sound is more prog than pop, more polished that patchouli-hazed, more like The Mars Volta than The Monks. The instrumental foursome has given us a taste of the EP, over at the group’s Bandcamp page, and, far from motley, there’s a mathy precision and a polish to the band’s sound that you might expect from a more seasoned act. Dig the new tunes for yourself and check out the release show, which will also feature Collective Dreams, Roshii, and What? The City Bears.