46.

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Across
  1. 2. WE Bon Jovi "___ gonna raise the roof?"
  2. 3. ICE What "neat" means in a drink order
  3. 5. A jetty for ferries to dock at (5)
  4. 8. It may raise the roof
  5. 11. Gather outside South American city with lower ranking (8)
  6. 12. Raises the roof
  7. 13. Raise the roof with lifting tool
  8. 15. Two presidents behind American attacks (8)
  9. 17. Raise the roof
  10. 18. Hit mound behind junction (5)
  11. 20. Raise the roof
  12. 21. Raise the roof
  13. 22. Part of hunt to persecute someone behind American news (8)
Down
  1. 1. Clean up what's beneath and behind American city (7)
  2. 4. YES Fan's cry after a great play
  3. 6. Group that raises the roof?
  4. 7. Wall provided a role with mimic in it
  5. 9. Bird approaches hill behind American city with mimic (8)
  6. 10. Explosion is great fun
  7. 14. Old dinasaur from Craggy Hill behind Knock (6)
  8. 16. What Charon ferries across the river Styx to Hades
  9. 19. Listen to writer going to American city with worthless old money (8)
  10. 21. Finishes with alternative comic and works in The Garden with mimics (6)
  11. 23. All this is admitting what outstanding bills are