This is one of them songs that uses a lot of ornamentation, which are basically extra notes put into the song to make it more interesting to play or sing. Some songs you'll get away with not playing them, but I thing this one really needs them extra notes.
Banjo Wood Sign. I make these banjo signs myself, the price is €12.50 which includes postage to anywhere in the world. They measure 24cm by 16cm [ 9.5 inches by 6.5 inches ] . The sign has a rustic old look about it.