Yo-Yo Ma, 2013 Harman-Eisner Artist in Residence, performs two songs with MusiCorps founder Arthur Bloom and lead singer of the MusiCorps Wounded Warrior Band, Timothy Donley at Aspen Ideas Festival 2013. Above: “Wide River to Cross.” Below: “America the Beautiful,” featuring guest vocal from soprano and co-founder of Sing for Hope, Camille Zamora.