Best music theory crossword ever, nothing shall surpass it

12345678910111213141516171819202122
Across
  1. 4. When you play two different notes without separation
  2. 5. What's created when two music staffs are joined by a brace
  3. 7. Moderately loud
  4. 8. Lively and fast
  5. 9. Ta-ah-ah
  6. 13. The order of dynamics
  7. 16. Ta-ah-ah-ah
  8. 17. Gradually louder
  9. 18. Gabcdefga
  10. 19. Composed of 5 lines and 4 spaces
  11. 20. Number of eighth notes it takes to make a whole note in 4 4 time
  12. 21. The speed at which a piece of music is to be played
Down
  1. 1. FF
  2. 2. Very slow
  3. 3. The basic unit of time in music
  4. 6. Solfege
  5. 10. Efgabcdef
  6. 11. Very slow
  7. 12. Number of eighth notes it takes to make a quarter note in 4 4 time
  8. 14. PP
  9. 15. Loud
  10. 22. Soft