Paul McCartney, Jon Bon Jovi, Sheryl Crow, Fergie, Colbie Caillat, Natasha Bedingfield, Leona Lewis, Sean Paul, Johnny Rzeznik, Krewella, Angelique Kidjo, Kelsea Ballerini, Nicole Scherzinger, Christina Grimmie, Victoria Justice, Q orianka Kilcher
Love Song to the Earth