1: Gave up and produced (7)
4: Mean a favourite defensive work (7)
9: Taverns quoted cool clique (3)
10: Chinese are able to sound extremely subtle (9)
11: Perform part of play (3)
12: Help found in Adelaide. (3)
13: Small songbirds destroyed mitt near diamond (7)
14: Pronounced ability to smell negative votes (3)
15: Everyone in Italy's mad - so it's said - for ice cream (5-6)
18: I see marks on jumbled party favors (11)
19: Child is to depart, finally (3)
20: Quickly strip satay cut (2,1,4)
22: Freshen the atmosphere (3)
23: One politician's a brat (3)
24: Doctor, flu fee can indicate a condition of being well off! (9)
25: A hint for the snooker champ? (3)
26: These often go with crosses but they mean nothing really! (7)
27: Italian composer making endless noise, sir (7)