Musical instruments and beats

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Across
  1. 5. walking pace
  2. 9. How an instruments is played
  3. 11. A full note or 4 beats
  4. 16. very fast
  5. 17. How many instruments are playing-thick or thin
  6. 18. How loud or soft an instrument is playing
  7. 20. Both a percussion and string instrument
Down
  1. 1. A common six stringed instrument
  2. 2. Very slow speed
  3. 3. Sexy Sax Man
  4. 4. An African drum that you hit on the edge/middle
  5. 6. becoming softer
  6. 7. A woodwind instrument that sounds like ‘Buffoon’
  7. 8. becoming louder
  8. 10. Horn A French brass instrument
  9. 12. moderately loud
  10. 13. The smallest string instrument
  11. 14. very soft
  12. 15. A quarter note or 1 beat
  13. 19. how High or low an instrument is playing