May the candles on your cake
Burn like cities in your wake
Happy Birthday! (UNH!)
Happy Birthday! (UNH!)

Birthdays come, but once a year
Marking time, as Death draws near
Happy Birthday! (UNH!)
Happy Birthday! (UNH!)


Here are the Crazy frog lyrics, so you can sing along:

A ding ding ding ding dididing ding bing bing pscht,
Dorhrm bom bom bedom bem bom bedom bom bum ba ba bom bom,
Bouuuuum bom bom bedahm, Bom be barbedarm bedabedabedabeda
Bbrrrrrimm bbrrrrramm bbbrrrrrrrrraammmmm ddddddraammm,
Bah bah baah baah ba wheeeeeee-eeeee-eeeee!