William Close and the Earth Harp Collective recently pushed the boundaries of the “performance experience” when they finished third on NBC’s hit show “America’s Got Talent.” The group received massive praise and admiration from fans and all three judges. William Close is an installation artist and musician who has developed over 100 new types of musical instruments. He is the inventor of the majestic stringed instrument, The Earth Harp, the world’s largest stringed instrument.