Love Song to the Earth Paul McCartney , Jon Bon Jovi , Sheryl Crow , Fergie , Colbie Caillat , Natasha Bedingfield , Leona Lewis , Sean Paul , Johnny Rzeznik , Krewella , Ang ' © lique Kidjo , Kelsea Ballerini , Nicole Scherzinger , Christina Grimmie , Victoria Justice & Q'orianka Kilcher Love Song to the Earth - Single Pop , Music , Rock 2015 4-Sep-15