Intersections

Four of the most prominent composer-led ensembles currently working in the nebulous genre-free zone dubbed postclassical—Matt McBane's Build, Missy Mazzoli's Victoire, David Crowell's Empyrean Atlas and itsnotyouitsme, the duo of Caleb Burhans and Grey Mcmurray—share the Roulette stage for a wide-ranging minifestival.