I have a tape of old-time Missouri fiddle tunes that many people would assume are Appalachian. I don't feel like calculating the distance, but we are hundreds of miles from the Appalachians, if not a thousand.

Half the fiddlers on the tape are from Nebraska.
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Recently I was in Newfoundland, and the traditional music I heard there would be pronounced Appalachian too.

It's a jig or a reel.
It's played fast.
It uses double stops and ornaments sometimes.
It sounds like square dance music.