Is it illegal to sing Happy Birthday?

Related questions

1. What do I write in my boyfriends birthday card?
2. Are birthdays Pagan?
3. Can Happy birthday be sung in public?
4. What age is golden birthday?
5. How do I say happy birthday to my boyfriend?
6. Why are restaurants not allowed to sing Happy Birthday?
7. Is Happy birthday still under copyright?
8. Why do we sing happy birthday?
9. Is it OK to celebrate birthday early?
10. What should I say to my mom on her birthday?

Tags

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2. #unless
3. #sisters
4. #young
5. #morning
6. #performances
7. #claimed
8. #based
9. #copyright
10. #children
11. #public
12. #unauthorized
13. #royalties
14. #warner
15. #expire
16. #registration
17. #would
18. #illegal
19. #united
20. #states