This crossword No. 25621 clues and answers were published on Fri 27 Apr 2012 and the puzzle can be visited by following The Guardian Cryptic Crossword No. 25621 link.
All Across Clues and Answers:
1-across – Composer starts losing tempo, say, gutted : DEBUSSY
5-across – Performers are childless reformers : ARTISTS
9-across – Rare working party piece that’s repeated : RONDO
10-across – Traditional Gaelic music performed with delay now and then on river : DIDDLYDEE
11-across – Mercurial character in book: it’s set in turbulent Italy : VOLATILITY
12-across – Woman doesn’t finish change : EDIT
14-across – 1 across piece, a version of Cinderella, captivates its composer’s heart : CLAIRDELUNE
18-across – An opera is rewritten to include Queen’s instrument : SQUAREPIANO
21-across – Radical Paris edition of the Pink ’Un? : LEFT
22-across – Engineer made Freudian slip describing middle of tune, 1 across piece : LAPRESMIDI
25-across – Steak went off stuffed with duck : TOURNEDOS
26-across – Not as convincing as 1 across piece : LAMER
27-across – Played together better stripped — Moore’s outstanding : DUETTED
28-across – Use it to trace letters from angry clients : STENCIL
All Down Clues and Answers:
1-down – Trace source of echo in Verdi orchestration : DERIVE
2-down – British and German article abroad makes a pile : BUNDLE
3-down – Initially, stiff drink damages penile extensions? : SPORTSCARS
4-down – This is not art, perhaps — and trained Tyroleans do it : YODEL
5-down – Check old song picked up in music halls : AUDITORIA
6-down – Rang, say, and drove home : TOLD
7-down – Rolls here supported with drink : SIDEDRUM
8-down – Step unsteadily over tiny adult plant : SWEETPEA
13-down – Dragonfly from French-German river I caught : DEMOISELLE
15-down – A very quiet Scottish singer nearly died, clapped out? : APPLAUDED
16-down – I worried about short solo by daughter, being unaccompanied : ISOLATED
17-down – See 22 : DUNFAUNE
19-down – Black Magic represented as fast food : BIGMAC
20-down – Irish Republican breaks law over in part of Merseyside : WIRRAL
23-down – Seizes women leaving bars with no music? : RESTS
24-down – 2 of banknotes offering security : KNOT
This crossword has in total 30 where 14 are across and 16 are down.