A little less cryptic than the previous two, and with a few linked clues which should be easy for pipers. If you're not familiar with cryptic conventions, look out for anagrams, sometimes hidden, synonyms, abbreviations and contorted Logic.

Bletherskite

ACROSS
1. Composer rearranged ‘Grand Duc Nono’ (6,6).
9. Frenchman and Beat Girl join forces to manufacture exotic ointment (5,4).
10. Loner is forced to join (5).
11. Rose that is used for birl (6).
12. Intoxicating dance devised by 1 AC (3,1,4).
13. 'Swan about' could lead to solution (6).
14. Bland pie ends up in the bucket (5,3).
17. Eejits throw cooking vessels (8).
19. Toffs, Eton-schooled, display counterbalance (6).
21. Melting Ice Men, for example, are hosting ceremony (8)
23. Informally fervid, the last to rule both Denmark and Norway (4,2).
25. Clerics observed in denim, Amsterdam (5).
26. Outright zero for fashionable costume (3,6).
27. Violin + Kiki + Dave = Nonsense! (12).

DOWN
2. No star sign depicts musicians (9).
3. Date in Comrie for sleepy wee beasties (7).
4. Tidy calf (4).
5. Ravish unnamed island (8).
6. Male orc enlisted in search for extinct pudding. (7)
7. Viking spotted in tenor serpent ensemble (5).
8. Cistertian lieutenant could be musician.
9. A tie on electronic psaltery, why not? Heelstergowdie! (12)
15. Broken by 1 AC (4,5).
16. Shetland produces a French novelist (8).
18, 20. 1 AC in a hurry (7,3,4).
22. Discarded in Biblical metaphor (5).
24. Finest uddered cow seeks breeding bull - in plain view! (4).