Music crossword puzzle

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Across
  1. 1. star
  2. 5. known
  3. 6. singing devise
  4. 9. return
  5. 10. spectators
  6. 13. keys
  7. 14. musical instrument
Down
  1. 1. on stage
  2. 2. pedal
  3. 3. voice
  4. 4. guitar
  5. 5. singer
  6. 7. violin string
  7. 8. guitar
  8. 11. artist
  9. 12. singing