Can anyone explain why so many people sing a (popular)version that doesn't rhyme? .i.e.
Och, the summer's in it's prime,
All the flo'ers are richly bloomin'
And the wild mountain thyme
Grows around the bloomin' heather.
I have McPeake's LP from which I learned the 4th line as :
All the valley is perfumin' -
Which is more akin to the Tannahill version and does actually rhyme with the 2nd line!