Vanity plate dispute heads to N.H. Supreme Court Sing for Hope: Providing pianos with purpose For 16 days, Sing For Hope, a non-profit organization whose mission is "art for all," places 88 pianos in parks and public spaces throughout New York City for everyone to enjoy. The pianos are then donated to schools, hospitals and community organizations. But, as CBSNews.com's Nick Dietz reports, that's just the beginning.