Hmm. Sort of.

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Across
  1. 2. Waspish rock star causes pain (5)
  2. 4. Town of deaf sky reworked on Welsh border (9)
  3. 7. Mr Balls makes enlightening TV appearance (6)
  4. 9. Pirates drink to the mast for famously fictional advocate (7)
  5. 11. Examiners meeting under fire find graduation headgear (11)
  6. 14. Cary's funding buys pig meat on the way to London (8)
  7. 16. Reasonable chastisement reveals narcotic (5)
  8. 17. Train is powered by Christmas kids' show and visualised statistics (10)
  9. 18. Trademark ire for more successful cooking (5)
Down
  1. 1. Luck be a lady? Not so much, Frank (6)
  2. 3. Fraudulent stanze makes canvas shoe (8)
  3. 5. Ali's tormentor: on site, in charge (7)
  4. 6. Take bare midriff of ageing American songstress and add sugar for South Yorkshire shithole (9)
  5. 7. Tree herder uncertain of reward, gets creative (10)
  6. 8. Thirteen to the dozen, but only two making whoopie with Pfeiffer (5)
  7. 10. Mr T's daft friend, the unchecked king killer (9)
  8. 12. Around all t'century, marginally persuaded (11)
  9. 13. Sunburned dude with central headgear is at home with giants (9)
  10. 15. [Father], can you spare a coin for musical theatre genius? (8)
  11. 17. Ocean begins to comfort child (5)