By the way, all those musicians are from Adelaide, Australia and while they’ve played together before, they never performed this tune before a few days prior to recording. Live, one take, no overdubs, but some masterful mixing by the same fella who sings lead and play keys.
See also the Hindley Street Country Club, also from Adelaide, from whence SIL came. They do Hey Nineteen:
https://youtu.be/bpdjciHPfg8