Letra de canción descargada de:
https://www.albumcancionyletra.com

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Happy Birthday - Happy birthday
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Happy birthday to you
you belong to the zoo
with the tigers and lions
and the monkeys like you.

Happy birthday to you
you belong to the zoo
with the tigers and lions
and the monkeys like you.

..... Real lyrics:

Happy birthday to you,
happy birthday to you.
Happy birthday dear [name]
happy birthday, to you...