Children stricken with cancer will perform in New York City's Times Square on Thursday evening. Camp Simcha, a project of Chai Lifeline is a summer camp for children with cancer catering to the Jewish community. All food is strictly kosher with Shabbat and other Jewish customs being observed. About 500 people including the campers and Camp Simcha staff will sing at a "Hall of Fame" musical performance. United States army personnel and New York police officers will join them.