Written by Pat Ballard in 1954. Many cover versions around. I particularly like the Emmylou Harris version and of course the fingerstyle arrangement of Chet Atkins (coming up some day in the guitar section of this site).
Fun to play. Standard chord progression in the intro, the verse mainly goes down the circle of fifths. When you repeat the whole thing, it sounds nice to omit the final C and go from the G7 in the second last bar directly to the intro theme. As always you need to fill the breaks yourself.