Most birthday songs you can find online are modern or pop songs. Here is a traditional happy birthday song lyrics you can sing on your next party.
Happy birthday to You Happy birthday to You Happy birthday dear (name) Happy birthday to You.
From good friends and true, From old friends and new, May good luck go with you, And happiness too.
Alternative ending:
How old are you? How old are you? How old, How old How old are you?
You can always change the lyrics but here’s the traditional birthday tune.