Dr. Birthday

I have waited all year long Just so I could sing your song I have waited all year long Just so I could sing your birthday song Today's the day It's time to celebrate Everybody come on I wanna hear you all say Happy birthday Happy, happy birthday Happy birthday to you Today's the day It's time to celebrate Everybody come on I wanna hear you all say Happy birthday Happy, happy birthday Happy birthday to you Today's the day It's time to celebrate Everybody come on I wanna hear you all say Happy birthday Happy, happy birthday Happy birthday to you