Gordy Quist - Harmony vocals on "You Want to Wear That Ring," "Can't Drink Enough to Sing," "You Don't Have to be Lonely," and "The Pluto Blues"
Terri Hendrix Harmony vocals on "Two Thousand Miles," "Demolition Derby," and "Like We Still Care"
Bob Livingston - Harmony vocals on "Red Wine and Tequila," "Swear It Off Again," "Can't Quit Loving You," "On the Lonesome Road," and "Rivers Run From Many Waters"