Ah yes - the Hammers' connection...

Not only that, but ice hockey as well: (Wikipedia): "In Norway, the song is better known as the club anthem of Sparta Warriors, a Sarpsborg-based ice hockey club. The Norwegian version, rewritten and performed by Kai Robert Johansen, is titled "Blå Bobler" (Blue Bubbles)."

Glad you like it, Charlie. I'm particularly fond of waltzes, and the golden period of music, for me, is from around the 1890s to the early 1930s. Haunting melodies, often simple, but ones that twine around you!