Here are the lyrics to the song so that you can sing along.

Happy Birthday, MY FRIEND
Happy Happy Birthday
Happy Birthday MY FRIEND
Happy Birthday.
Happy B-day, MY FRIEND
Happy Happy B-day
Happy B-day MY FRIEND
Oh yeah.
Feliz cumpleaños, MY FRIEND
My dog says woof woof to you MY FRIEND
My dog says arooooou!
MY FRIEND, Birthday, Birthday MY FRIEND
Happy B-Day, Happy B-Day, MY FRIEND
Feliz cumpleaños, MY FRIEND yeah

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