What is key signature in piano?

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Tags

1. #listed
2. #score
3. #piece
4. #accidentals
5. #signifies
6. #piano
7. #every
8. #repetiton
9. #avoid
10. #signature
11. #sharps
12. #chosen
13. #composer
14. #after
15. #which
16. #flats
17. #music