These chords are not used in the song but they are suggested by the melody if you
to play the song on guitar these are the chords I would use

         DWell (xx0232@1)the hills are pretty and rollin'
        CBut (x32010@1)the thorn is sharp and swollen
        DAnd (xx0232@1)the man plays a beautiful whistle
       CBut (x32010@1)he wears a prickly thistle
        DSinging (xx0232@1)Li De Li De Li Oh Oh
     CWell (x32010@1)A Li De Li De Li Oh Oh
DLi (xx0232@1)De Li De Li Oh Oh
     CWell (x32010@1)A Li De Li De Li Oh Oh

    DThe (xx0232@1)silver birches pierce through an icy fog
      CWhich (x32010@1)covers the ground most daily
        DAnd (xx0232@1)the angels which carry St. Andrew high
    CAre (x32010@1)singing a tune most gaily

    DOne (xx0232@1)sound can hold back a thousand hands
     CWhen (x32010@1)the pipe plays a tune forlorn
     DAnd (xx0232@1)the thistle is a prickly flower
     CAye, (x32010@1)But how it is sweetly worn
        DSinging (xx0232@1)Li De Li De Li Oh Oh
     CWell (x32010@1)A Li De Li De Li Oh Oh
DLi (xx0232@1)De Li De Li Oh Oh
     CWell (x32010@1)A Li De Li De Li Oh Oh