Across:
1 Did the narration (VOICED) in video (video = VOI-ED) playing (= anagram indicator) about clubs (-C-) (VOICED),
4 Can’t tail (can’t tail = ATLANTIC) criminal (= anagram indicator) going back and forth between here and America (ATLANTIC),
9 Drunk in Russia (VODKAS) is against (versus = V-) initial kick (initial ‘kick’ = -K-) in baking (= anagram indicator) soda (soda = -OD-AS) (VODKAS),
10 Rupert in (Rupert in = PRURIENT) trouble (= anagram indicator) as it’s salacious (PRURIENT),
12 A fair (half of) show of hands ((half of ‘vote’ = VO-) for over 18s (-X rated) at music (POP- music) college (University of Limerick = -UL-) for single (-I) (VOX POPULI) that’s heard on the street (VOX POPULI),
13 Type of channel (DITCH) for director (D-) with compulsive desire (-ITCH) (DITCH),
14 Veronica’s not (Veronica’s not = CONVERSATION) wrong (= anagram indicator) and presumably that says it all (CONVERSATION),
18 In retrospect (= reversal indicator), Ross (Ross = -SSOR) finds European Research Group (ERG = GRE-) rants (rants = TRANS-) confusing (= anagram indicator) (TRANSGRESSOR) – could be a place in hell for one of them! (offender/criminal = TRANSGRESSOR),
21 Connoisseur lets off curses (‘connoisseur’ lets off ‘curses’ = onnoi = ONION) and the person handling it is reduced to tears (ONION),
22 Doesn’t change mind (HOLDS FIRM) of wrestler’s repertoire (HOLDS) – it’s solid (FIRM) (HOLDS FIRM),
24 All back (= reversal indicator) graduate (BA = A-B) catching gang (mob = -BOM-) leaders marching on TCD (leaders ‘marching on TCD’ = mot = -TOM) (ATOM BOMB) – the fall-out from this is deadly (ATOM BOMB),
25 First-class (AI-) miner (‘miner’ = ‘minor’ = -KID-) says (= homophone indicator) nothing (-O) (AIKIDO) as a form of self-defence (AIKIDO),
26 Old pal (CRONY-) is (-IS-) master (-M) (CRONYISM) of giving out jobs for the boys (CRONYISM),
27 Sweet (MOUSSE) moment (MO-) for old republic (USSR) to drop resistance (r) (‘USSR” to drop ‘r’ = USS-) to Spain (-E) (MOUSSE).
Down:
1 Opposed (versus = V-) to demanding type (diva) giving no intro (d) (‘diva’ without ‘d’ = - IVA) to heartless (remove centre = ‘i) speech (‘voice’ without ‘i’ = VOCE) (VIVA VOCE) in Rome for everyone to hear (VIVA VOCE),
2 Dining (dining = IND-ING) out (= anagram indicator) entertaining former partner (-EX-) (INDEXING) working in the library (INDEXING),
3 Some deliver a token (some “deliver a token” = ERATO) source of inspiration (Muse of lyrical poetry / source of inspiration = ERATO),
5 What Rumpelstiltskin can do with straw (TURN INTO GOLD), King Midas can do with everything (TURN INTO GOLD),
6 Adore (adore = AEROD-) showing off (= anagram indicator) European capital (-ROME) (AERODROME) – the home of the high flyers (AERODROME),
7 Unfinished (y) sample (‘try’ without ‘y’ = TR-) to put away (-EAT-) with some open (‘some’ open = -S) (TREATS) goodies (TREATS),
8 It’s the essence of the jingle (CATCHY tune) that’s key (music key C-) on yacht (yacht = -ATCHY) at sea (= anagram indicator) (CATCHY),
11 Sounds like residencies for The Three Sisters (nursing sisters in NURSING HOMES) and those looking after the welfare of Old Vic, among others (NURSING HOMES),
15 Frau’s partner (Herr) and worker (hand) both lose the head (‘h’ + ‘h’)(‘Herr’ and ‘hand’ both lose ‘h’ = err + and = ERRAND) with young man (BOY) (ERRAND BOY) from The Messenger (ERRAND BOY),
16 A (A-) number of transgressions (sins = -S-INS) include a fair amount of (half of) piracy (half of ‘piracy’ = -PIR-) (ASPIRINS) promoted by the drug dealers? (ASPIRINS promoted by pharmacies),
17 Sit for a painter (pose = P-OSE) taking in the border (-RIM-) with the ultimate sunflower (ultimate ‘sunflower’ = -R-) (PRIMROSE) – a typically yellow flower (PRIMROSE),
19 Going all the way back (= reversal indicator), agency (CIA = -AIC) opens with same old mistakes (opens with ‘same old mistakes’ = som = MOS-) (MOSAIC) – therein lies the pattern (MOSAIC),
20 Joe (GI Joe = GI-) from The Journal (log) upsets (= reversal indicator) (log = -GOL-) the lead from Oklahoma (the lead from ‘Oklahoma’ = -O) (GIGOLO) and The Playboy (GIGOLO),
23 Turns up, Giles (Giles) dropped sweetheart (e) (‘Giles’ without ‘e’ = SLIG-) with nothing (-O) (SLIGO) in the west of Ireland (SLIGO).