Music theory crossword puzzle for period 4

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Across
  1. 3. slow tempo
  2. 5. increase in sound
  3. 11. divides two measures
  4. 13. slightly loud
  5. 14. decrease in sound
  6. 15. Beats in each measure of music
  7. 16. symbol for lower pitches
  8. 17. super loud
  9. 19. 5 lines and four spaces
  10. 20. loud dynamic
Down
  1. 1. is between two bar lines
  2. 2. slightly soft
  3. 4. joins two notes of the same pitch
  4. 6. indicates end of a measure
  5. 7. soft dynamic
  6. 8. super soft
  7. 9. Symbol for higher pitches
  8. 10. upper staff is treble and lower is bass
  9. 12. Key of a composition
  10. 18. joins two notes of different pitches