July 26, 2019 8:00pm; doors open at 7:30pm 23rd Annual MIT Summer Philharmonic Orchestra MIT Professional Education is proud to sponsor the 23rd annual performance of the MIT Summer Philharmonic Orchestra (MITSPO). The annual classical music concert, which is open to the public and free for all to attend, returns to the MIT Kresge Auditorium in Cambridge on Friday, July 26, at 8:00 pm. Doors will open at 7:30 pm.