Hallowfox, how can you mention a tantalizing article like that & not give a citation. As a librarian, I'm constantly putting 'footnotes' in my conversations.When I started at my current library right out of grad school, my fellow cataloger let me know about a local folk venue, the Old Songs Festival especially the Sacred Harp sessions there. I'm immensely grateful to her.
We also shared a strange interest in certian fantasy, especially David Eddings. She died shortly after retiring & I really missed her when a new book in the Belgariad world came out. I hope she's got a celestial copy.