Speaking as a Scotsman who is generally proud of being so, it was songs like that that put me off folk for a couple of decades. Only relatively recently have I been making an effort to find Scottish trad that I'm not only glad to sing, but comfortable to.

Having said that, Jazzer did an okay Corries impression and it could have been a lot worse. But I am perplexed by his (speaking) accent. It sounds like he probably is Scottish, but the producers have asked him to be "a bit more Scottish" and he's hamming it up big time.