2098: Song IX

Four unclued lights might justly sing ‘4D/18/13’ (five words in total). A relevant pair of clued lights must be shaded.
 
Across
10    European secretes strange smeary enzyme (10)
11    Botanical description half recorded by child (6)
12    Big browser nibbled wood sorrel for pudding (7)
14    Welshman that is backing Nauru (5)
15     Fruit from classy old bush, bishop plucked (4)
16    Simple creature almost in a frenzy with English scholar (6)
23    Ancient inhabitant’s aim to be active (7)
24    An abrupt farewell from 6? (4)
25    Animals, pen in Peebles repelled (4)
27    Vessel rocks with man in (7)
29    Lumpy daughter emitted awful loud sound (8)
32    Carp getting drawn into lengthy river (6)
35    Duo not up for cabbage (4)
36    Nymph died tailing snakes (5)
37    Slender hat, dyer coloured (7)
38    Make a fuss about dainty clothes (6)
39    No carnivore ate bananas with vinegar (10)
41    Affected smile of commander in Slovakia (5)
 
Down
1    Poor tense men earned sweet nothing? (10)
2    Ernest’s nursemaid in a range of colours (5)
3    Bill runs for second drink (6)
5    Muesli, pub peddles? Variable – order it on a whim (10, two words)
6    Mater’s pater is gross with secretary (7)
7    Very cross gesture (5, hyphened)
8    Jaguar possibly scratching Charles (9, two words)
9    Cattle escorted uphill (4)
15    Number in cycling stadium perhaps not steady (6)
17    Fussy moulded picture rails HM rejected (10)
19    Jam containing grit and smack (10)
20    Earthy kloochmans mark out soil type (9)
21    Neville missing note playing hurdy-gurdy (6)
26    Circular, editor finished (7)
28    Liam’s letting fiddle race when jigging (7)
30    Shimmering silver lamé dresses (6)
31    Extract from obscene edition university banned (5)
33    Goodbye, Mama! (Left for Malta) (5)
34    Amerinds beheadeded Hengist and Horsa? (4)
 
A first prize of £30 for the first correct solution opened on 18 February.