Last music challenge !

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Across
  1. 2. Three or more notes played simultaneously
  2. 3. Makes possible to judge sounds as higher/lower
  3. 4. Regular repeated pattern of sound
  4. 6. Small guitar-like instrument from Hawaii
  5. 8. Your music teacher's name
  6. 10. Five lines that indicate the pitch of the notes
Down
  1. 1. A finger or plectrum brushes several strings
  2. 2. Organized group of singers
  3. 5. Sequence of single notes that forms a tune
  4. 7. Music genre originated in New Orleans, Louisiana
  5. 9. Korean folk song