Kayhan Kalhor – kamancheh (spiked fiddle) Johnny Gandelsman – violin Colin Jacobsen – violin Nicholas Cords – viola Michael Nicolas – cello   Silent City, the “stunning collaboration” between Iranian kamancheh, or spike-fiddle, virtuoso Kayhan Kalhor and the adventurous, American string quartet, Brooklyn Rider has been hailed by the critics as “challenging music [that is] a real thrill ride” (Strings Magazine).     “The borough’s chief string quartet teamed up with the Iranian fiddler ­Kayhan Kalhor for one of those cross-cultural evenings that might have made no sense at all but instead displayed a loose, magical logic. One of the...