Across:
   8. Suddenly, wings overhead... outright pecking sometimes starts! Magpie does this in spring! (6)
   9. Places where hexagonal lattices are produced, and area is worked out using pi (8)
  10. Flog Blur arrangement of famous blues (8)
  11. With less strength, is not utilised in action (6)
  12,21dn. Teach composition with sadly skint guitar legend (4 6)
  13. Large soft objects tangle hair (10)
  14. Playing with her toy? That's not practice! (6)
  15,13dn. Female singer, when taking eon, contributes to male onanism. Or is set tempered? (6 10)
	m.ANISM, OR IS SET TE.asingL(e on)
  18. City in upheaval? Sit, arbitrating return (10)
  20,6dn. Celebrity reportedly put up with barbeques (4 6)
  22,1dn. Statesman?! He hogs grub we cooked! (6 1 1 4)
  23. Entirely convincing fee: I kill, as ordered (8)
  25. Huge soldier acting badly (8)
  26. Next entrant holds degree (6)
Down:
   1. see 22 across
   2. It's spun for better way to take care of rent? (8)
   3. Consumer sure got upset (4)
   4. Implements program staged after gala opening (7)
   5. Lend lacier ensemble to char girl in rags (10)
   6. see 20 acros
   7. Trek less, travelling as ones who can fly (8)
  13. see 15 across
  14. "True Crime" mostly reworked for added spice (8)
  16. Peers at tiny boil being treated (8)
  17. Make soft hair secure (7)
  19. Terrible hatred in part of online conversation (6)
  21. see 12 across
  24. Worry of guitar part (4)