“America’s most astonishing choir” (The New York Times), the Grammy Award-winning vocal ensemble The Crossing is at the vanguard of new choral music. Their Williams Center concert includes Nico Muhly’s Gentle Sleep, I cannot attain unto it, and Rough Notes. Works by Caroline Shaw, Ayanna Woods, and David Lang are also featured. Program: Muhly / Gentle Sleep // Nicholas Cline / she took his hands // Shaw / Her Beacon-hand Beckons // Muhly / I cannot attain unto it // Shara Nova / Resolve // Woods / Shift // Muhly / Rough Notes // Lang / the sense of senses /