Music instruments

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