Eves Birthday crossword!

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Across
  1. 4. (7) Lights destined not to last
  2. 6. (7) Performance where people break into song without warning
  3. 8. (6) Flee the scene
  4. 10. (7) Preview vehicle?
  5. 11. (4) Stagger dramatically
  6. 14. (9,5) Converted building provides our accommodation; Region of dry-stone walls is our destination.
  7. 15. (6) Extra performance once more
  8. 16. (4) Talent wrapped up
  9. 17. (7) Seats with a lofty view
Down
  1. 1. (6) Iceman
  2. 2. (7) Gift that's current
  3. 3. (7) A tale that's over 2,500 years old, but you'll experience the newest version
  4. 4. (7) Chaotic go? Reorganised City
  5. 5. (5,8) What people might say to you today
  6. 7. (8) It wasn't expected
  7. 9. (7) Classic cinema snack
  8. 12. (4) Barn owls home
  9. 13. (4) meat you can eat on a sunday