Well, well, well...

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Across
  1. 2. Yes
  2. 3. A group of four singers or players
  3. 7. A disease prevalent throughout an entire country, continent, or the whole world
  4. 8. A man who herds cattle
  5. 10. In good health
  6. 11. A town in Arizona or a grave marker?
  7. 14. Brother or sister
  8. 15. A burial chamber
  9. 16. A genre of American folk music
  10. 19. A change or changes made to the word of a text
Down
  1. 1. An Australian state
  2. 2. Snowhite bit into one and look what happened
  3. 4. Going from place to place
  4. 5. ___ and order
  5. 6. Someone who rules alone, often a ruthless tyrant
  6. 8. One hundred years
  7. 9. A set of law that all other laws and rules are based on
  8. 10. A source of water
  9. 12. Medicine or an iPad?
  10. 13. Things happen by chance rather than in prearranged order
  11. 17. Number two or a unit of time
  12. 18. In a good and satisfactory manner