Music crossword

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Across
  1. 2. something you form
  2. 4. they have strings
  3. 7. these are on a guitar
  4. 10. you turn up and dow
  5. 12. something you composed
  6. 13. flute, clarinet etc...
Down
  1. 1. electric guitars
  2. 3. these you hit with sticks
  3. 5. a pattern
  4. 6. something you sing into
  5. 8. they have keys
  6. 9. something your voice has
  7. 11. something you make