42. Non- free (enclosed) | 421. Flute |
- 421.1. Non-fipple
- 421.2. Fipple
- 421.21. External
- 421.22. Internal
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422. Reed |
- 422.1. Double reed
- 422.11. Single
- 422.12. Multiple
- 422.2. Single reed
- 422.21. Single
- 422.22. Multiple
- 422.3. Free reed
- 422.31. Single
- 422.32. Multiple
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423. Brass | |
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