Frotnman Danny McNamara asks fans to "wear fancy dress and bring some sunflowers"...
It takes place at midnight in London...
Organisers of the 'The Experiment', as the show is known, confess they don't know whether their plans are legal...
The Batsford Manor show was attended by fans who discovered secret 'key codes' across the Internet...
The group have announced a series of album playbacks so fans can hear 'If You've Never Been'...
There will be another secret show first - but the band get set to promote 'If You've Never Been' in more conventional venues...
Just 200 lucky fans get the chance to see the band performing material from new album 'If You've Never Been'...
A series of 'key codes' hidden across the web leads the way to the treasure...
Danny McNamara says he will do his talking via the band's official website from now on...
The band, who played their first offical live show of 2001 earlier this week, get set to play another obscure venue...