Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
Happy Birthday to you,
You know the rest,
And the monkey's in the zoo.