Across:
   1. 27 glibly harm a 1 down 22 with 20 (5 6)
   7. First check - a white rook might do this (3)
   9. Public exhibitions spared a criminal (7)
  10. Unhappy to be involved in mostly cruel campaign (7)
  11. Values inside also (6)
  12. Lover, etc. damaged bedwear (8)
  14. TV, internet, etc. get holy con distributed (10)
  16. Testicles retracted in shock (4)
  18. Managed time for enthusiastic speech (4)
  19. Working meer sham ok as role for women in 11 of 1 across (10)
  22. 29 perhaps for every one? Strive to be included! (8)
  23. Woven cane or clear tissue layer (6)
  26. Big Bird is big-time wealthy! (7)
  27. Agitated druid leader makes mistake about it coming back (7)
  28. Some musicians play by it and are transformed (3)
  29. 6 comrade, one enthusiastic performer who moved 1 across (8 3)
Down:
   1. Perhaps John, being a preacher, thinks immersion stirs true beginnings (7)
   2. Big points lost in acts of generosity (5)
   3. Composed in E, godly singing performed on high (8)
   4. In scripture, Jesus did blossom! (4)
   5. Orchestrated huge chic do and made noise willy-nilly (10)
   6. Greatly harmed most of man with return of delusion... "No" is out! (6)
   7. Removing parts for a horn in the 24 17 arrangement for 24 17 part (9)
   8. Grass on college of 1 across (7)
  13. She's a singer? Get that girl in chorus! (10)
  15. What's new in reformed 12? Left changed to right - thus he will change many! (9)
  17. see 24
  18. Spokesperson getting overworked could be critical (7)
  20. Celebrity method get's blowback (7)
  21. Start of second church is major split (6)
  24,17. State in chant or oral styling (5 8)
  25. I'd say I will shortly land (4)