For other useful choral sites, click on the links below:-
British Choirs on The Net (UK)
Gerontius (UK)
Making Music (NFMS) (UK)
Association of British Choral Directors (ABCD) (UK)
Music Masters and Mistresses Association (MMA) (UK)
ChoralNet (US)
The Really Big Chorus/Concerts From Scratch (UK)
Run By Singers (UK)
National Association of Choirs (UK)