Producer Stewart F. Lane and his sons Lenny & Frankie with Melissa Lewis at the opening of her interactive musical for kids, P is for Party." The show "really rocks." Bring you little ones and check it out. Prizes for Best Pirate and Princesses in the audience. On Sundays September 21 through October 26, 11am and 1pm at the DR2 Theater, 103 East 15th Street in Union Square. For tickets call telecharge 239-6200