 Programs based on the CRCAP model have been established in 20 states, including six other programs in Massachusetts.CRCAP-inspired programs have also been initiated in Geneva, Switzerland, and Hong Kong.Guest artists to the program have included William Wegman, James Taylor, Madeleine l'Engle, Tracy Chapman, Mary Chapin Carpenter, Noel Stookey, William Hurt, Israel Horovitz, Jane Alexander, Yo Yo Ma, Elizabeth Swados, John Hockenberry, Julie Harris, Niia, and Matt and Kim.