This crossword No. 11581 clues and answers were published on Wed 20 Jun 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11581 link.
All Across Clues and Answers:
1-across – Composer – pup dies, grieve : GIUSEPPEVERDI
8-across – Signal with the head : NOD
9-across – Loud clamour : HUEANDCRY
10-across – Shock : SURPRISE
11-across – Bucket : PAIL
13-across – Of the backbone : SPINAL
14-across – Sharp : ACIDIC
16-across – Garden tool – libertine : RAKE
17-across – Deep and vibrating : RESONANT
20-across – Carpenter’s art? : WOODCRAFT
21-across – Sleep – card game – fibres on a snooker table : NAP
22-across – Of the generation of power using flowing water : HYDROELECTRIC
All Down Clues and Answers:
1-down – The Homo of Homo sapiens? : GENUS
2-down – Work by Dylan Thomas : UNDERMILKWOOD
3-down – Delicate and perfect : ETHEREAL
4-down – Gratify : PLEASE
5-down – Grape plant : VINE
6-down – Composer – grand Reich war : RICHARDWAGNER
7-down – Perfect : IDYLLIC
12-down – Initial letter puzzle : ACROSTIC
13-down – Aussie exclamation : STREWTH
15-down – Cause to come off the tracks : DERAIL
18-down – Subject : TOPIC
19-down – Resound : ECHO
This crossword has in total 24 where 12 are across and 12 are down.