Instrument puzzle

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Across
  1. 5. can be more than 6 strings
  2. 6. sounds like Christmas
  3. 8. sometimes called the F horn
  4. 10. big and low
Down
  1. 1. similar to the viola
  2. 2. one of the biggest string instruments
  3. 3. fun for breakfast
  4. 4. wood you like to play this standing up?
  5. 7. popular instrument played with one or two people
  6. 9. difficult to carry but magical