Is Happy Birthday the most sung song in the world?

Related questions

1. Why is it called cover song?
2. What was the original name of the song yesterday?
3. Who owns the rights to the song help?
4. What is the most recorded song in music history?
5. Who first sang the song yesterday?

Tags

1. #fellow
2. #english
3. #birthday
4. #followed
5. #anniversary
6. #records
7. #birth
8. #according
9. #known
10. #world
11. #person
12. #recognized
13. #jolly
14. #traditionally
15. #celebrate
16. #happy
17. #guinness
18. #language