How many notes does a xylophone have?

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Tags

1. #notes
2. #tuned
3. #starting
4. #xylophones
5. #wooden
6. #usually
7. #arranged
8. #playing
9. #octaves
10. #piano
11. #range
12. #instrument
13. #varying
14. #called
15. #ranging
16. #xylophone
17. #middle
18. #lengths
19. #three