Lawrence 'Dood' Fraley, whose voice appears at the beginning of Simpson's Grammy-nominated Metamodern Sounds in Country Music album, passed away on Wednesday (15Mar17) and the singer took to his Facebook account to remember him.

Calling him the "finest human being I will ever know", Sturgill wrote: "There were times in my younger life when I was not a good man... When I didn’t always make the right choices. And looking back I can honestly say that the only thing that kept me from jumping headfirst off the proverbial cliff of life was knowing how much I would have let him down. And that’s the truth."

Simpson, who won a 2017 Grammy for Best Country Album for A Sailor’s Guide to Earth, adds, "My Papaw taught me to play Country Music and more importantly, he taught me to love Country Music.

"Above all else that has happened in my life and career in the last four years, nothing comes close to knowing that he lived long enough to see it as he could not have been more proud. Goodbye old man... You will be forever missed by all who knew you."

Simpson ended his post with a link to his 2013 song Hero.