Young Dancemakers Company presents its 19th season of free performances, showing dances and performances by 16 talented teens selected by auditions in NYC public high schools.   A variety of themes, styles, and music choices will be shown, and the company will also perform an excerpt from Paul Taylor's "Esplanade," taught by Richard Chen See.  Directors are Bessie Award-winning founder Alice Teirstein and music director William Catanzaro.