For one, it's a mono speaker, so it does lose a lot of sound, particularly background vocals, second guitars and the like. (canadianbusiness.com)
His wife Erin, who assisted in production, sang background vocals, and did all the art for the album is the worship leader at our church. (rachelheldevans.com)
The song features background vocals of the New Jersey Mass Choir and has an epic feel to it. (datingadvice.com)