Jealousy is an appropriate name for a boy-girl duo comprised of bass and theremin, handled respectively, hailing from San Francisco. I want that for myself. Watch Mark Treise and Alison Peery play full throttle on Scott Williams’ WFMU show. In the video shot by Yvonne Szymczak and David van Dokkum, the pair perform their voodoo under a veil of darkness and strobing light, which intermittently illuminates Treise’s bass-strumming hand. The 18-minute set is an exploration of improvised theremin squelches, garage-flavored bass riffs, and breathy mysterious vocals.