Protest songs

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Across
  1. 5. Large group of instrumentalists
  2. 8. Circular music record
  3. 10. Digital music disc
  4. 11. Opposition to authority
  5. 13. Place where music is recorded
  6. 15. State of liberty Liberté
  7. 16. Same rights for all
  8. 17. Person who writes songs
  9. 18. Music obtained online
  10. 19. Idea expressed in song
  11. 21. Absence of conflict
Down
  1. 1. Words of a song
  2. 2. Fair treatment
  3. 3. Collection of songs
  4. 4. Online music listening
  5. 6. Writer of music
  6. 7. Process of capturing sound
  7. 9. Artist who performs rap
  8. 11. New version of a song
  9. 12. Person who sings
  10. 14. Group of musicians
  11. 20. Reused piece of sound