“Cumberland Gap” is a song that goes back at least as far as the Civil War. Play the “A” part twice (measures 1-4) then play the “B” part twice
(measures 5-8). After the 8th measure each of the 4-measure groups is just a variation of either the “A” part or the “B” part and you can choose to play any of them or none of them --
it’s up to you.