Contemporary Music and Chamber Ensembles: The ensembles performed April 19 at Finney with Timothy Weiss conducting. Featuring Marlene Rosen, soprano, and Kathleen Chastain, flute, they performed Bartok's Music for Stringed Instuments, Percussion and Celesta; Berio's Folksongs; and Martino's Notturno . (photo by Ariel Carr)