Midway through their set, Parsons joined the headline act and fronted his former group on renditions of "Hickory Wind" and "You Don't Miss Your Water".

"Hickory Wind" (Gram Parsons)

Did You Sing "Hickory Wind" at the Grand Ole Opry?

"Hickory Wind" is a song written by country rock pioneer Gram Parsons and former International Submarine Band member Bob Buchanan.

Despite Buchanan's input, "Hickory Wind" is generally considered to be Parsons' signature song.

Although many people have chosen to dismiss Sammons' claim, citing a lack of any physical proof on her part, the controversy surrounding the authorship of "Hickory Wind" remains.

"Hickory Wind" was covered by Joan Baez on her 1969 release, David's Album.

Ryan performing a version of Hickory Wind, written by Gram Parsons and Bob Buchanan.

John Hartford - fiddle (on "Hickory Wind")

He sang a lyric from the song: "But when I'm lonesome, I always pretend/ That I'm getting the feel of Hickory Wind."