Cristal

*Edition of 200* Chicago’s Haptic are often mistaken for drone musicians. Certainly sustained sounds, mostly of either electronic or percussive origin, are integral to their approach. The Medium opens with a spray of metallic resonance, probably courtesy of Necks drummer Tony Buck – nearly every Haptic concert features a fourth member – which doesn’t let up for another 19 minutes. Vibes criss-cross the shimmer, then a series of smaller sounds manifest; a slow bass pulse, an organ’s swell, the sh…