Music instruments

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Across
  1. 3. - music instrument that has keys
  2. 5. - played by snake charmers in India
  3. 9. - box-shaped musical instrument
  4. 10. - the flow of air across an opening makes the sound
  5. 11. - tube with a mouthpiece
  6. 12. - it has a hose and keys
  7. 14. - African benjo
  8. 15. - a percussion instrument
Down
  1. 1. - piano's grandpa
  2. 2. - several-meter-long wooden and conical
  3. 4. - African tumb piano
  4. 6. - piano's electronic cousin
  5. 7. - a stringed instrument played with a bow
  6. 8. - African drum
  7. 10. - made of tubing wrapped into a coil
  8. 13. - played by an oboist