The Sunday Crossword, Sunday 01 Jan 2017

HAPPY NEW YEAR

ACROSS
1   Improve quality of hour after noon in Morecambe? (6) ENRICH {E{N}RIC}{H}
4   Artistic style born in development of music (6) CUBISM {CU{B}ISM*}
8   Endless tradition with support reflected by length of imprisonment (9) CUSTODIAL {CUSTOm}{AID<=}{L}
9   Sub isolated in sound (4) LOAN (~lone)
11 Politician playing part in arena, holding revolutionary post (15) PARLIAMENTARIAN {PART+IN+ARENA}* over {MAIL<=}
12 Talk about electronic fraud (5) CHEAT {CH{E}AT}
13 Prompt conclusion of expert taken in by fake (9) STIMULATE {S{e...rT}IMULATE}
15 Varied causes brought about hurried promise (9) ASSURANCE {CAUSES}* around {RAN}
17 Play in street with spirit (5) STRUM {ST}{RUM}
19 Assistant with instant fashionable knowledge (6-2-7) SECOND-IN-COMMAND {SECOND}-{IN}-{COMMAND}
22 Feeling about to discover fate (4) DOOM <=
23 Land identified by fellow entering harbour, mile away (9) ARGENTINA {mAR{GENT}INA}

24 Get angry with brother not working (6) BRIDLE {BR}{IDLE}
25 Accent beginning to betray rascal (6) BROGUE {Be...y}{ROGUE}

DOWN
1   Provision in contract in case place altered employment (6,6) ESCAPE CLAUSE {CASE+PLACE}*{USE}
2   Stock book (7) RESERVE [DD]
3   Singer with task, losing energy, tires badly (9) CHORISTER {CHORe}{TIRES*}
4   Flower in row in narrow road below church (9) CELANDINE {CE}{LAN{DIN}E}

5   Wood included among tribal sanctuaries (5) BALSA [T]
6   Spot occupied by marathon's leader, ace in endurance (7) STAMINA {STA{Ma...n}IN}{A}
7   Business settled (4) FIRM [DD]
10 Mean criminal retained item (12) INTERMEDIATE*
13 Association with crooked acts I deny (9) SYNDICATE*
14 Group of stars anxious or up in arms, lacking power (4,5) URSA MINOR {OR+Up+IN+ARMS}*

16 Help from copper turning up during search (7) SUCCOUR {S{CU<=}COUR}
18 Place for interpretation (7) READING [DD]
20 Drama with wild rover (5) NOMAD {NO}{MAD}
21 Cold time in enclosure (4) CAGE {C}{AGE}

GRID