Boston University School of Music presents Time's Arrow, BU's new music ensemble. Program: Eastman,The Divine Presence of Joan D'Arc Prelude (James Demler, quest artist) • The Divine Presence of Joan D'Arc • Poole, Five Steps to Paradise • Babbitt Composition for Viola and Piano • Purcell/Kurtag, Fantasia Upon One Note • Bach/Kurtag, Bach Chorale Preludes • Chen, Chronoslide • Finnissy, Plain Harmony This event is free and open to the public