1: Mugs grabbing one of Satchmo's horns (5)
5: Little bit quiet about Old Dick before the end (7)
8: Famous gardens said to move one to speak. (3)
9: Questionable realtor robs preacher (4,7)
11: Wretched sea creature eating a little (7)
12: One's in a band on the way up (7)
13: ABC mascot collapsed tunnels (9)
16: The idea -- a little meal filled you once (5)
17: Teaching assistants run into hospital facility for shocker (5)
19: Certain European in age-worn convertible (9)
21: Effective narration (7)
22: Craft, if employed in trade (7)
25: 27-across about starting off 1-down world unconditionally (2,3,2,4)
26: Clear initial rubbish in drain (3)
27: Falls from box containing rat (7)
28: French love listening to a person like Othello (5)