Tomorrow evening, while the Brooklyn Philharmonic plays the Central Park Naumburg Bandshell...the New York Philharmonic will be performing at the Central Park Great Lawn. According to those involved, the coincidence is a surprise, but a good way to check out both symphonies in one evening. The unofficial "battle of the bands" is open to the public and free, with Brooklyn starting at 7:30 p.m. and New York at 8 p.m.