Very well, here: Euclid 1.47, the musical version, in Swedish.

Mrs. P comments, "Oh, so that's how you seduce an old, Swedish mathemetician." Yup. Myself, I'd give substantial quantities of alcohol for a witty, singable translation.

Courtesy of John Derbyshire.

Also, in the spirit of the season: Pascha explained. Apologies in advance; blame this guy.