Broadway's Rock of Ages performer and former American Idol contestant Constantine Maroulis sang at the Usdan Summer Camp for the Arts on its festival stage in Wheatley Heights on Friday. The camp holds daily performances there with guests, including poets, instrumentalists, dancers, camp alumni and campers. Credit: Newsday / Morgan Campbell

SUBSCRIBE

Unlimited Digital AccessOnly 25¢for 6 months

ACT NOWSALE ENDS SOON | CANCEL ANYTIME