What is a MIDI controller used for?

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Tags

1. #controller
2. #instrument
3. #devices
4. #parameters
5. #music
6. #software
7. #transmits
8. #interface
9. #generates
10. #musical
11. #hardware
12. #control
13. #digital
14. #sounds
15. #trigger
16. #enabled
17. #performance
18. #typically
19. #electronic