1 Turn on [37A] - a novel (6)
6 Wicked comeback around returned air-conditioners (8)
12 Gold found in urn unsettled the world's smallest island country (5)
13 Pawn Eva off to macadamize (4)
14 "Work with marble head," heard physical therapy (6)
15 First off Juno with cage shut (6)
16 A ship at sea fly's genus (5)
17 Opera center hosts a competition (4)
18 Famous Franklin's crazy place for an [32D] that is left unfinished (6)
19 City is following a standard (5)
21 Company taken with Fascist leader had a chat (9)
23 Fancy-schmancy, remodeled boutique (4)
24 About 400 burned in 1995, perhaps? (2 2)
25 Layer of eggs is shown off to Chris (7)
26 Take too much or stink (4)
28 Five in [19A] club with trendy queue (4)
29 Aha! A saucy mixture! A psychedelic potion! (9)
32 Evenly canned Green Giant called "the Eighth Wonder of the World" (5)
34 Here's a proposition: play with her toy! (6)
35 Area of refuges, an atoll in French Polynesia (4)
37 Cypriot notes out loud, "You stood!" (5)
38 By swallowing, rag beat a hard pill? (6)
39 Greenlit ring with a jeweler and an editor (6)
40 Prohibition tap comes before mi (4)
41 Re: $1000 @ crooked kleptomaniac, maybe? (5)
42 Iffier - "Yes!" (8)
43 Artificial Intelligence's last right sat by atomic number (6)