 It opened on July 9, 1966, with a presentation of George Balanchine's "A Midsummer Night's Dream" by the New York City Ballet.The Center is the official summer home of the New York City Ballet and the Philadelphia Orchestra, both of which are in residence for two or three weeks during the summer.SPAC also serves as the common venue for high school graduations, particularly for Saratoga Springs, Burnt Hills-Ballston Lake, Shenendehowa, and Ballston Spa High Schools.