smarty pants or no... ?

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Across
  1. 2. trio suffix
  2. 4. bay packers
  3. 5. "---- everything about you"
  4. 8. seventh month
  5. 10. the band :)
  6. 12. like a protest
  7. 16. genre of music
  8. 17. year i was born and when they emerged
  9. 18. what you listen to
  10. 19. choir uses these
Down
  1. 1. "this world will never be what i expected"
  2. 3. "the shoulder you cry on, i can be your ---"
  3. 6. instrument with sticks
  4. 7. country above U.S.
  5. 9. the date before my birthday
  6. 11. instrument with strings
  7. 13. "----- away from everybody"
  8. 14. rock USA
  9. 15. seven in a week