There is always this song about about a mythical Island to the west:

It's called Tir Na Noir

The First is the original in Norwegian by the Group who wrote it and made it famous

Vamp:

http://www.youtube.com/watch?v=dY7Qajh9LOU&feature=related

The Second is the same song in English by a Japanese singer Emi Fujita:

http://www.youtube.com/watch?v=yvWwyEwwhVI&feature=related