Eric Church, Willie Nelson, Chris Stapleton and more artists, both country and not, will come together in early December to celebrate John Lennon for what would have been the musical icon's 75th birthday.
Kelsea Ballerini and Sheryl Crow are part of an all-star cast of artists who have lent their voices for a worthwhile cause. The singers contributed to "Love Song to the Earth," part of a worldwide campaign to raise awareness of environmental issues before the United Nations Climate Change Conference is held in Paris this December.