This is such a long thread, I confess to not reading it all, but I did talk about the Barnyards of Delgaty back in 2009!
Has anyone mnetioned the story that Colum Sands tells about a Dutch fan who wanted him to sing "That one about the Hairy Tongue - everyone in Ireland knows that song".
Turns out it was the Black Velvet Band -
"And her hairy tongue over her shoulder....."!!!!!