The Sunday Crossword No 3111, Sunday 02 Aug 2020

ACROSS
1   ‘Unit of energy’? … ‘inert gas’? … technical gibberish (6) JARGON {J}{ARGON}
4   Trump's, perhaps, after getting elected: ‘Bigly!’ (2,6) IN SPADES {SPADES}<=>{IN}
9   They loathe seeing radiators losing energy (6) HATERS HeATERS
10 Perhaps pen letters in Athens describing 'the empty pasty' (4,4) MUTE SWAN {MU{ThE}S}{WAN}

12 Revolutionary in charge, suppressing Polish: sweet (8) CHERUBIC {CHE}{RUB}{IC}
13 Lager, one repeatedly called for by Brando (6) STELLA [DD]
15 Found the goat striving to run amok (3,3,2,4) GET OUT OF HAND*
18 Beast that’s not spotted in the wild, clapboard elk (5,7) BLACK LEOPARD*

21 Chorale not about to be arranged for Asian city (6) LAHORE cHORALE*
22 Italian physicist, with anger, becomes prolific essayist (8) VOLTAIRE {VOLTA}{IRE}
24 Waiting, backed up; EU repeatedly getting into N. Ireland question; good! (8) QUEUEING {NI}{EU}{EU}{Q}<={G}
25 Brief pint, drinking 'Queen & Country' (6) BELIZE {BE{LIZ}Er}

26 Yech! I’d nastily consume beasts like anteaters (8) ECHIDNAS [T]

27 What drug pusher might say at entrance: ‘Sweet dreams’ (6) IDEALS {I DEAL}{Sweet}

DOWN
1   Avant-gardist seen in can, euphemistically (prison) (4,4) JOHN CAGE {JOHN}{CAGE}
2   Perhaps gîtes in the Dordogne to be overrun with vermin (8) RETREATS {R{ETRE}ATS}
3   Novel, one that's familiar to you and Everyman (3,6,6) OUR MUTUAL FRIEND [DD]
5   Not a single American displays common sense (4) NOUS {NO}{US}
6   Blasted horns, portent before goal for team (7,5,3) PRESTON NORTH END {HORNS+PORTENT}*{END}
7   Primarily, delay a while, delay, loiter endlessly? (6) DAWDLE Acrostic &lit
8   Arrangement with cheap horn for Spooner (6) SYNTAX (~ tin sax)
11 Desired broccoli, essentially producing wind (7) SIROCCO {deSIRed}{brOCCOli}
14 Most ayatollahs brought up a vegetable (7) SHALLOT ayaTOLLAHS<=
16 Largely unadorned little Italian church? Actually, for starters, it's anything but! (8) BASILICA {BASIc}{Li...e}{It...n}{Ch...h}{Ac...y} Semi&lit
17 Head after comic figure, sloth (8) IDLENESS {NESS}<=>{IDLE}
19 It commemorates an unpleasant mixture of bacteria and saliva (6) PLAQUE [DD]
20 Beat with run in the silence (6) THRESH {TH{R}E}{SH}
23 Ancient empire where bionic man oddly not seen (4) INCA {bIoNiC+mAn}

Reference List
Unit of energy = J(Joule), Energy = E, About = C, Question = Q, Good = G, To be in French = ETRE, Run = R

No 13003, Saturday 01 Aug 2020, Sunnet

Solution to 29A has been deliberately left unsolved and is to be answered only by a non-regular/novice commenter, with proper annotation. Those who have answered earlier in the week, please give others a chance.

London Bridge is falling down

Falling down, falling down

London Bridge is falling down

My fair lady

Build it up with wood and clay

Wood and clay, wood and clay

Build it up with wood and clay

My fair lady

Wood and clay will wash away

Wash away, wash away

Wood and clay will wash away

My fair lady

Build it up with iron and steel

Iron and steel, iron and steel

Build it up with iron and steel

My fair lady

Iron and steel will bend and bow

Bend and bow, bend and bow

Iron and steel will bend and bow

My fair lady

Build it up with silver and gold

Silver and gold, silver and gold

Build it up with silver and gold

My fair lady

Silver and gold will be stolen away

Stolen away, stolen away

Silver and gold will be stolen away

My fair lady

Send a man to watch all night

Watch all night, watch all night

Send a man to watch all night

My fair lady

ACROSS
1   Exact note sent back by air (6) IMPOST {MI<=}{POST} (Correction - IMPOSE {MI<=}{POSE} - See comments)
4   Fool to return before dark? Ok (8) PASSABLE {SAP<=}{SABLE}
10 Unwanted growth in cold, tossed macaroni (9) CARCINOMA {C}{MACARONI*}
11 Wrong a girl (5) AMISS {A}{MISS}
12 Block China’s trade corridor? With a blank check? (5) BRICK {BRIC}{ChecK} (Correction - {BRI}{ChecK} - See comments)
13 Transport frames and hollow protective cover for ship (9) DEADLIGHT {DE{AnD}LIGHT}
14 Jittery one ran out of election meeting in the COVID-19 era (7) TELECON ELECTiON*
16 Mud is about to settle (4) CLAY {C}{LAY}
19 Partially preserving old wealth (4) GOLD [T]
21 Going down to Florida to catch a cod perhaps (7) FALLING {F{A}L}{LING}
24 One song by new church member (9) UNITARIAN {UNIT}{ARIA}{N}
25 This is after a hair is transplanted here (5) BIHAR {aB}{HAIR*}
26 Women Fliers’ meeting? (5) COVEN [CD]
27 Reaching out to former nurse in Guinea (9) EXTENDING {EX}{TEND}{IN}{G}
28 Most peaceful seer sent off (8) SERENEST*
29 Mostly better road surface binder (6) ?O?T?R (Addendum - MORTAR {MORe}{TAR} - See comments))

DOWN
1   Warm in island with every other tree chopped (8) INCUBATE {IN}{CUBA}{TrEe}
2   Spot page with report (8) PARTICLE {P}{ARTICLE}
3   Glue a cane (5) STICK [DD]
5   A means of communication using a memory and a chip (7) ARAMAIC {A}{RAM}{A}{IC}
6   Small secure protective cover for regular post (5,4) SNAIL MAIL {S}{NAIL}{MAIL}
7   Bond girl blocks partner (6) BRIDGE {BRID{G}E}
8   Fake rates rectified by last letter (6) ERSATZ {RATES*}{Z}
9   Capital’s liberal professor’s on (6) LONDON {L}{DON}<=>{ON}
15 Among corn scattered by ancestor (3-6) CRO-MAGNON*

17 Items desired by wife’s a little high grade (4,4) WISH LIST {W}{IS}{High}{LIST}
18 Some drag a rag around contents of petri dish (4-4) AGAR-AGAR [T]

20 Clubs with some deep waterways (7) DRIVERS {Deep}{RIVERS}
21 Limited it in damages (6) FINITE {FIN{IT}E}
22 Fakes bird calls (6) QUACKS [DD]
23 Metal piece with a little lead dropping (6) SILVER S(-l)I(+l)LVER
25 Ostracise judge linked to Oxygen’s music producer (5) BANJO {BAN}{J}{O}

Reference List
Note = MI, Cold = C, About = C, New = N, Page = P, Memory = RAM, Chip = IC, Small = S, Girl = G, Liberal = L, Wife = W, Judge = J, Oxygen = O

Colour/Font Scheme

Definition, Solution, Component letters, Embedded links, Theme word,  Anagram Indicator, C/C indicator, Reversal Indicator, Hidden word Indicator, Letter Pick indicator, Deletion Indicator, Homophone Indicator, Movement Indicator, Positional Indicator, Substitution, Indicator, Opposite indicator, Link/Connector, Extraneous