With Labor Day weekend just around the corner, patrons are flocking to Guild Hall for an innovative series of end-of-summer performances. Only a handful of tickets remain for “New York City Ballet On and Off Stage,” an intimate look at the ballet company hosted by Jared Angle, a principal dancer, tomorrow at 8 p.m. The evening will include commentary by Mr. Angle as well as excerpts from the company’s repertory performed by him and fellow dancers. Tickets are priced from $45 to $100, $43 to $95 for members.