Boston University School of Music presents Time's Arrow. A new music ensemble of unfixed instrumentation, performing works for unspecified instrumentation and music of fixed instrumentation, both large and small ensembles and soloist. Program: George Lewis; Artificial Life • John White, Newspaper Reading Machine • Tom Coult, Abide • Abel Selaocoe, Ditoro Kaofela • Malcolm Peyton, Little Aria • Dannacha Dennehy, Falshbulb • Aaron Smith, New Work • James Tenney, Critical Band. This event is free and open to the public.