British Goblins: Welsh Folk-lore, Fairy Mythology, Legends and Traditions
CHAPTER VII.
Fairy Music--Birds of Enchantment--The Legend of Shon ap Shenkin--Harp-Music in Welsh Fairy Tales--Legend of the Magic Harp--Songs and Tunes of the Tylwyth Teg--The Legend of Iolo ap Hugh--Mystic Origin of an old Welsh Air 91