My post wasn't directed at anyone, but the argument arose out of points made in previous posts, including yours, Mooh.

My point was, the question of whether something is "folk" is quite separate from other questions, such as whether it a song we might wish to sing or wish to listen to. Saying that isn't an attempt to dismiss such questions as insignificant or wrongheaded.

I can think of a fair number of songs, that no one would deny are folk songs, which I do not like, or might even actively dislike. I suspect most of us could say the same, though we might (or might not in some cases) passionately disagree about which these were.
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Lack of tune? Talking Blues don't have much of a tune. If that means they aren't properly called songs, that's fine - but if that was extended to imply they are not part of our folk music tradition, I'd disagree.