Why did silent films have music?

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Tags

1. #recorded
2. #during
3. #synchronized
4. #often
5. #audible
6. #particular
7. #1890s
8. #orchestra
9. #sound
10. #would
11. #silent
12. #organist
13. #pianist
14. #dialogue
15. #films
16. #music
17. #existed
18. #1920s
19. #cities
20. #small
21. #accompany
22. #theater
23. #large