Music Trivia puzzle two

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Across
  1. 3. Ensemble of people singing together
  2. 6. Vivaldi composed the Four
  3. 11. Lead singer of Queen,_________ Mercury
  4. 12. Decrescendo means get _________
  5. 13. American trumpet player Armstrong
  6. 15. Composer for the Lord the Rings movies
  7. 16. Frederic Chopin was a composer from this country
  8. 17. Singer of the songs "Material Girl" and "Vogue"
  9. 18. Composer of the Goldberg Variations
  10. 19. Trinidadian rapper Nicki
Down
  1. 1. A guitar has six
  2. 2. Musical featuring the song "We Go Together"
  3. 4. Rapper Kendrick
  4. 5. Piano Man billy
  5. 6. Jonathan Groff and Lea Michelle originated roles in the Broadway musical _______ Awakening
  6. 7. Sometimes a conductor uses one
  7. 8. Lowest voice part in a choir
  8. 9. "Moment Like This" singer Clarkson
  9. 10. Early 90's Boy Band New Kids on the
  10. 11. Female lead character in Shrek the Musical
  11. 14. The leader of a Marching Band is a ______ Major
  12. 17. Hip hop group with members Quavo, Takeoff, and Offset