The Sunday Crossword (2883), Sunday 06 Mar 2016

ACROSS
1   Bar restricts sandwiches (7) BUTTIES {BUT}{TIES}
5   Instrument of Ethiopian origin (5) PIANO [T]
9   Stand in market and play for time (5) STALL [DD]
10 Peculiar part about period custom (9) PATRONAGE {PART*}{ON}{AGE}
11 Holding forth with jibe about search linked to offence (11) DISCOURSING {DI{SCOUR}{SIN}G}
12 Final trap (3) NET [DD]
13 Rough earth behind shelter covered with light, shiny material (6,7) PATENT LEATHER {PA{TENT} LE}{EARTH*}

17 Modern studios sadly not appreciated (13) MISUNDERSTOOD*
19 Witty in speech? It's the whisky (3) RYE (~wry)
21 Busy river tour is arranged (11) INDUSTRIOUS {INDUS}{TOUR+IS}*
22 Advance point of view, being content (9) SUBSTANCE {SUB}{STANCE}
23 Investigate pair with honour (5) PROBE {PR}{OBE}
24 More recent tune we recognise partly (5) NEWER [T]
25 Field left in wild condition for advertisement? (7) LEAFLET {LEA}{LEFT*}

DOWN
1   Next to see bid going awry (6) BESIDE*
2   Tour's leader conducted groups around quiet parts of church (9) TRANSEPTS {Tour}{RAN}{SE{P}TS}
3   Illegally acquired title long abandoned (3-6) ILL-GOTTEN*
4   Police officer's great purpose securing result (14) SUPERINDENT {SUPER}{INT{END}ENT}
5   Incorrect, first off, under pressure to make projection (5) PRONG {P}{wRONG}
6   Cooker fashionable once more (5) AGAIN {AGA}{IN}
7   Plain vase set aside (8) OVERTURN {OVERT}{URN}
8   Engineer sees all in tests for alloy resisting corrosion (9,5) STAINLESS STEEL*
14 Dubious writings, variable in approach, confused (9) APOCRYPHA {Y} in {APPROACH}*
15 Crossing last bits of slippery marsh, turned up with fuel for boat (9) HYDROFOIL {Hsram}{Yr...s}{DROF}<={OIL}

16 Put away promising reforms? Not good (8) IMPRISON PROMISINg*
18 Agreement when posted (6) ASSENT {AS}{SENT}
20 Joint venture's ending with large yield (5) ELBOW {v...rE}{L}{BOW}
21 Bury regular items in tip, not near (5) INTER {tIp}{NoT}{nEaR}

GRID