This crossword No. 26683 clues and answers were published on Tue 22 Sep 2015 and the puzzle can be visited by following The Guardian Cryptic Crossword No. 26683 link.
All Across Clues and Answers:
1-across – Singer, perhaps from Spain, into big-band music, its leader adding a sparkle, they say : SEWING
4-across – Sing softly, lazily, steamily : HUMIDLY
9-across – Shows clue to news : POINTSOUT
10-across – Without help at first, is unable to sing : CHANT
11-across – They sing in a lot of variety shows, chiefly : ALTOS
12-across – A show of pride? : LIONSMANE
13-across – The Dickens Baritone art house showing : ONEARTH
15-across – Singer, fantastic belter : TREBLE
17-across – Perhaps Amy was a mythical woman, a Greek character in times past : BIOPIC
19-across – Conflict with British over shortly, retreating unprepared : BOERWAR
22-across – Spice extract unaltered by hard work overwhelming small girl : NUTMEGOIL
24-across – Sing rap: hold tight! : GRASP
26-across – Jealous man losing love, heading for tragedy that’s unexpected : HELLO
27-across – Inconsistencies in Leonardo’s work: first half is back to front; second half reportedly so : ANOMALIES
28-across – See 1 : MACHINE
29-across – Singer, collapsing, to bow out : RESIGN
All Down Clues and Answers:
1-down – One sings a note softly, Queen taking one’s place : SOPRANO
2-down – Origins of wassailing at inn swelling the belly : WAIST
3-down – Nil — no contest : NOTASCRAP
4-down – Falsetto? Oh, of course: like a bat out of hell! : HOTFOOT
5-down – Apes dress top-down : MOCKS
6-down – Sad ballad : DEALABLOW
7-down – Constant talking puts treaty under strain : YATTER
8-down – Tenor with no depth on top note for cash : MOOLAH
14-down – Expressed in letters, Cage’s last piece, on margins in italic : EPISTOLIC
16-down – Leveraged restructuring for Slough? : EVERGLADE
18-down – Bach’s music? It was sung in church or it was enjoyed in taverns : CHORALE
19-down – Sing out from the depths: Dylan’s heart’s in it : BELLOW
20-down – Enlists guys, perhaps Boatman, by name : ROPESIN
21-down – Two articles covering Mahler’s first song : ANTHEM
23-down – Green at heart? Jealous ego? It could make you ill : ECOLI
25-down – A crooner’s opening with popular number one in concert — they get raspberries! : ACINI
This crossword has in total 32 where 16 are across and 16 are down.