I have uploaded this song on two occasions on YouTube. The first time, I used a guitar and covered the version sung by Fess Parker that was used in the 1950s TV series, Davey Crockett, King of the Wild Frontier.
12-string Guitar: Farewell To The Mountains (Including lyrics and chords)

At a later date, having found the lyrics here on Mudcat, I did another version using my autoharp for accompaniment.
Autoharp: Farewell To The Mountains (Including lyrics and chords)

With reference to the piece by GUEST David Star - Massachusetts, I would draw your attention to the following article in Wikipedia:
https://en.wikipedia.org/wiki/Ye_olde