It's Great

Statistics prove, prove that you have one birthday
One birthday, every year
But there are three hundred and sixty four unbirthdays
That is why, we're gathered here to cheerA very merry unbirthday to you, to you
A very merry unbirthday to you, to youIt's great to drink to someone
And I guess that you will do
A very merry unbirthday to youA very merry unbirthday to us, to us
A very merry unbirthday to usIf there are no objections
Let it be unanimous
A very merry unbirthday to usA very merry unbirthday to me
(To who?)
A very merry unbirthday to me
(To you)Let's all congratulate me with a present
I agree
A very merry unbirthday to meA very merry unbirthday to all, to all
A very merry unbirthday to all, to allLet's have a celebration
Hire a band
And rent a hallA very merry unbirthday
A very merry unbirthday
A very merry unbirthday to all