WARWICK-The String Trio of New York returns to the Warwick Valley Community Center at 7:30 p.m. on Friday, April 22, with a presentation called "The Art of Improvisation," the final installment of the "Jazz Connections Sounds of the City" lecture/performance series. "The Art of Improvisation" will explore the full range of improvisation, from traditional approaches to the multi-dimensional aspects of the present day. Trio guitarist James Emery, a Warwick resident, has been praised as "one of the world's greatest" (allaboutjazz.com) and chosen as one of "66 great six-stringers" by Down Beat magazine. Tickets are $10 for adults; children under 18 are admitted free. All proceeds from the performance go to the Warwick Valley Community Center, which is located at 11 Hamilton Ave. For information or reservations, call 986-6422.