Instrument crosswordpuzzle

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Across
  1. 4. A woodwind instrument made of brass and has a single reed
  2. 6. Several tones that belong together
  3. 7. Background singers
  4. 10. It connects notes that should be played without being separated
  5. 11. Part of a song in which the lyrics and the melody stay the same
  6. 12. Consists of various drums
  7. 15. The instrumental end of a song
  8. 18. A brass instrument with a long u-shaped slide
  9. 19. When nothing is played
Down
  1. 1. An instrument with black and white keys
  2. 2. An electric instrument with keys
  3. 3. An electric guitar with six strings
  4. 5. Accompaniment of the melody
  5. 8. An (instrumental) intro
  6. 9. An instrument that plays alone
  7. 13. The piece had to be repeated from the top
  8. 14. It is played by blowing air into the mouthpiece
  9. 16. Short piece of music consisting of few notes
  10. 17. Part of a song in which the lyrics change