Today, today, today, today
Today, today is not your birthday!
It isn't the elephant's or the bear's.
It isn't the pickle's or the pear's...
Today, today, today, today
Today, today is not your birthday!

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!