Pianist Lang Lang high fives with a boy at a music class at the Roberto Clemente Public School 13 in Brooklyn, New York City, Oct. 22, 2015. Lang Lang cut the ribbon on Thursday to unveil Key Of Inspiration, a three-year public school partnership program with the Lang Lang International Music Foundation that is to offer music educations to second to fifth graders from low-income families at public schools. (Xinhua/Wang Lei)