Music instruments

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Across
  1. 4. requires air pressure
  2. 5. dum-dum-dum
  3. 7. has a lot of keys
  4. 8. nobody can read
  5. 11. Krishna plays it
Down
  1. 1. PLayed by Beethoven
  2. 2. played in restaurants
  3. 3. has 5 strings
  4. 6. very romantic
  5. 9. the best Indian instrument
  6. 10. ding ding ding