Common mistakes, yes 'mistakes' Suibhne, are to pronounce 's' as 'Z' and to add 'for the sake of'.
The 'Burns' tune of course predates Burns by a long chalk as does the title. The 'modern' tune was set to his lyrics after he died. he knew the tune as 'I feed a lass at Michelmas' (or variations on that title' but chose the older melody. It interesting to note that two of his best know songs, 'Auld lang Syne' and 'My Love is like a Red, Red, Rose' are set to tunes he knew but chose not to use.