Ongoing. Lichtenstein, DiSuvero, and a Special Selection of Calder Stabiles and Mobiles. Sculpture interacts with nature on the magnificent 145-acres of museum grounds. Plus Manolo Valdes: Bronze Sculptures. On loan until October 2008. Nassau County Museum of Art. One Museum Drive, Roslyn Harbor.  516-484-9337.

February 17—May 4. Pop and Op. Exciting art movements of post-war America art the theme for this exhibit featuring Andy Warhol, James Rosenquist, and others. Nassau County Museum of Art. One Museum Drive, Roslyn Harbor. Tues—Sun 11am—4:45pm.  516-484-9337 or www.nassaumuseum.com.

February 24. 4-ISH. Hip-Hop and Extreme Sport. In-line skating, break dancing, and bungee jumping to a live DJ mix, accompanied by video art, film and cartoons. Staller Center for the Arts. Stony Brook University. 7pm. 631-632-2787. www.stallercenter.com.  

March 10. Young Artist Competition—Piano. Semi-final round. Long Island Philharmonic Arts-in-Education Progam. Hillwood Recital Hall, Tilles Center for the Performing Arts, C. W. Post Campus, LIU, Brookville. 6pm. 631-293-2223. www.liphilharmonic.org.

March 15. Bounce. Performance features New York’s Eva Dean Dance. Tilles Center for the Performing Arts. C. W. Post, LIU, Northern Blvd, Brookville. 2pm. 516-299-3100 or www.tillescenter.org.

March 30. East Village Opera Company. Opera performed by a five-piece rock band, a string quartet and two outstanding vocalists. A new, fresh and exciting look at opera performed by world-class musicians and singers. Staller Center for the Arts. Stony Brook University. 7pm. 631-632-2787. www.stallercenter.com.  

April 3. Violin Master Class with Eric Kiesewetter. Class with Long Island Philharmonic Concertmaster. Long Island Philharmonic Arts-in-Education Progam. Hillwood Recital Hall, Tilles Center for the Performing Arts, Brookville.  6pm. 631-293-2223. www.liphilharmonic.org  Application deadline March 14.

April 5. The Tweaksters—Fabulous Feats of Physical Fun. Visually stunning mix of dance, music, juggling, and acrobatics. Staller Center for the Arts. Stony Brook University. 4pm. 631-632-2787. www.stallercenter.com.

April 7. Trumpet Master Class with Alex Holton. Class with Long Island Philharmonic Principal Trumpet. Long Island Philharmonic Arts-in-Education Progam. Brentwood High School. 10:30am. 631-293-2223. www.liphilharmonic.org  Application deadline March 20.

April 12. The Golden Dragon Acrobats. Performance by premiere Chinese acrobatic touring company. Tilles Center for the Performing Arts. C. W. Post, LIU, Northern Blvd, Brookville. 2pm. 516-299-3100 or www.tillescenter.org.

May 15. Voice Master Class with Charles Ternkey. Class with Long Island Philharmonic May Classics Soloist. Long Island Philharmonic Arts-in-Education Progam. Hillwood Recital Hall, Tilles Center for the Performing Arts, Brookville. 7pm. 631-293-2223. www.liphilharmonic.org  Application deadline May 1.