The Sunday Crossword No 2959, Sunday 03 Sep 2017

ACROSS
1   Hat I pound during test (6) TRILBY {I}{LB} in {TRY}

4   Poignancy in tracks about love (6) PATHOS {PATH{O}S}
10 Journalist, eager in cry, managed to catch a cab (7,8) HACKNEY CARRIAGE {HACK}{EAGER+IN+CRY}* over {A}

11 One receiving income from property on new level (7) RENTIER {RE}{N}{TIER}
12 Dealt with temperature produced after release of carbon (7) TREATED {T}{cREATED}
13 Indicator of time previously used (6-4) SECOND-HAND [DD]
15 Revolutionary conflict not refined (3) RAW <=
17 Bird preserved by science museum (3) EMU [T]
18 Device to control temperature that's hot matters terribly (10) THERMOSTAT*
22 Information in colour chart finally creating different line of thought (7) TANGENT {TAN}{GEN}{charT}
24 Put out alternative after return of manuscript (7) SMOTHER {MS<=}{OTHER}
25 Alert volunteers with instruments going around in resort (6,2,1,6) BRIGHT AS A BUTTON {TA}{TUBAS<=} in {BRIGHTON}
26 Appeal, entirely wholesome, lacking power (6) ALLURE {ALL}{pURE}
27 Reform the law to bring prosperity (6) WEALTH*

DOWN
1   Top saint rising above king in triumph (1-5) T-SHIRT {ST<=}{HI{R}T}
2   Quaint lines, once translated, having little significance (15) INCONSEQUENTIAL*
3   Group on island with waterbird and marsupial (9) BANDICOOT {BAND}{I}{COOT}

5   Concede match (5) AGREE [DD]
6   List packed with creative work opening with passionate song (10,5) HEARTBREAK HOTEL {ART}{BREAK}{HOT} in {HEEL}

7   Democratic favourites, overthrown, have quit (4,4) STEP DOWN {D}{PETS}<={OWN}
8   Cross, upset by hospital, then relieved (6) HYBRID {BY}{H}<={RID}
9   Worker perhaps in branch coming up with slogan (6) MANTRA {ANT} in {ARM<=}
14 Loose reconstruction of old suites (9) DISSOLUTE*
16 Note, in part of speech, artist showing bit of backbone (8) VERTEBRA {VER{TE}B}{RA}
19 Catch man, no good, on strike (6) ENTRAP {gENT}{RAP}
20 Accident? Plan to keep one quiet (6) MISHAP {1}{SH} in {MAP}
21 Ditch fashion mostly followed by church (6) TRENCH {TRENd}{CH}
23 Liquid necessary to irrigate the region (5) ETHER [T]

GRID