No 12701, Saturday 10 Aug 2019, Arden

Across

1. With complaining wife everyone comes here to pray (7,4) WAILING WALL {W}{AILING} {W}{ALL} Is it an &lit? Else what is the defn?
7. Decline, it's not the full story (3) SAG {SAGa}
9. Talk of heads that are free (5) LOOSE (CD?) (Addendum - (~loos) - See comments)
10. Account of how one hurried back with some food (9) NARRATION {RAN<=}{RATION}
11. Unrelated, perhaps remains the same (9) UNALTERED {UNRELATED*}
12. Good score – in short keen to get fifty (5) EAGLE {EAG{L}Er}
13. Sorrowful trend, maybe decelerating (7) ELEGIAC {ELEGIAC+TREND*}={DECELERATING}
15. Period to review issue (4) EMIT {TIME<=}
18. Back a back (4) ABET {A}{BET}
20. Associated with anonymous business opening (7) COGNATE {COGNATE-{N}}={CO}{GATE}
23. My private breed (5) CORGI {COR}{GI}
24. Arranged loan, Spain gets capital (9) ANNAPOLIS {LOAN+SPAIN*}
26. It's a big comedown from a height in a curtain (9) AVALANCHE {A}{VALANC{H}E}
27. Reading every compass (5) REACH {R}{EACH}
28. Feel sorry in //  a way, while in Paris (3) RUE (DD)
29. Prefer two boys facing each other, it will give one a jolt (8,3) ELECTRIC EEL {ELECT}{RIC} {LEE<=}

Down

1. Aquatic creatures in half the country (part of Great Britain excluded) (8) WALRUSES  {WALRUSES}{WAL{RUSsia}ES}

2. Devotee says work can wait (8) IDOLATER {I}{DO}{LATER|
3. In record time becomes clumsy (5) INEPT {IN}{EP}{T}
4. Comprehensive information on the boy (7) GENERIC {GEN}{ERIC}
5. A game – make it short (7) ABRIDGE {A}{BRIDGE}
6. Raising and going away, regularly seen inside (9) LEAVENING {LEAV{sEeN}ING}
7. Booze partly lost in godowns (6) STINGO (T)
8. Criminals crossing English river (6) GANGES {GANG{E}S}
14. Overlap India and China, allow an economic union (9) IMBRICATE {I}{M{BRIC}ATE}
16. Follow people to the water outlet (8) TAILRACE {TAIL}{RACE}
17. Cheers erupt from mid-level for an astronomer (8) HERSCHEL {H{CHEERS*}L} Mid-level = Between H(igh) & L(ow)

19. Part that puts husband in a daze (7)  TRANCHE {TRANC{H}E}
20. Agreement as soon as there is TV coverage (7) CONCERT {C{ONCE}RT}
21. Excels at regular intervals, the song is sweet (6) ECLAIR {ExCeLs}{AIR}
22. Cooler inside, are they esoteric? (6) ARCANE {AR{CAN}E}
25. For example, Tata's average is picking up (5) PARSI {PAR}{IS<=}

Reference List

With=W, Wife=W, Fifty=L, Business=Co, My=Cor, Private=GI, Reading=R
Record=EP, Time=T, English=E, Husband=H, TV=CRT

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, Link/Connector, Extraneous

GRID