READ MORE: Top 10 Eric Clapton Songs "Dear Willie, Here's to 90 years and many more. Love, Eric and Bradley," the text in the video reads. A Brief History of 'Always on My Mind' ...

“Always On My Mind” became a hit for Bobbie’s brother, Willie, in the ’80s. Given Bobbie’s connection to the song, her and Shires’ duet version feels especially poignant.

Mark James, the songwriter behind lovelorn rock and country hits like Elvis Presley’s “Suspicious Minds” and Willie Nelson’s “Always on My Mind,” has died. He was 83.

“One Long Apology” The road to completing “Always on My Mind” was long. But it began with a phone call. Prior to finishing the song in 1971, musician Wayne Carson had been working in Memphis.

Mark James, Grammy-Winning “Always on My Mind” and “Hooked on a Feeling” Songwriter, Dies at 83 He wrote often for Elvis Presley, who had his last No. 1 with James' "Suspicious Minds." ...

More famously, “Always On My Mind” was a top-10 pop smash for two very different artists in the ’80s — first for Willie Nelson in 1982 and then for the Pet Shop Boys in 1987.