(HUDSON, N.Y.) – Contemporary string quartet Ethel will perform “Grace,” an innovative, adventurous program featuring works by Ennio Morricone, Jeff Buckley, Vijay Iyer, Son Lux, Marcelo Zarvos, Nico Muhly and others, at the Hudson Opera House on Saturday, November 22, 2014, at 7pm, as part of the Classics on Hudson’s inaugural season. Ethel performed the same program…