Reminder: The Graduate Composers Concert takes place tonight, 8 p.m. at Bellefield Hall Auditorium. The concert is free to the public and will feature mostly premieres by Matthew Heap, Matthew Gillespie, Mark Fromm, Kerrith Livengood, James J. Ogburn, and Alec Summer. The program will be performed by members of IonSound Project (pictured above) and other outstanding Pittsburgh musicians.