You say it's your birthday
na-na-na-na-NA-na
It's my birthday, too -- yeah
na-na-na-na-NA-na
They say it's your birthday
na-na-na-na-NA-na
We're gonna have a good time
na-na-na-na-NA-na
I'm glad it's your birthday
na-na-na-na-NA-na
Happy birthday to you.
Happy Birthday, meinen Bruder!