Do singers sing live at concerts?

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Tags

1. #where
2. #either
3. #usually
4. #pitch
5. #perfect
6. #already
7. #comes
8. #singers
9. #recorded
10. #thing
11. #syncing
12. #dancing
13. #concerts
14. #artists
15. #perform
16. #shows
17. #mandatory
18. #along