Countryside Alliance plans rock concert featuring Eric Clapton and Bryan Ferry13/02/2007 10:00:00FWiThe Countryside Alliance has announced plans for a rock concert featuring Eric Clapton and Bryan Ferry.The event, called Countryside Rocks, will take place on 19 May at Highclere Castle, Berks in aid of the alliance.Other names on the bill include Steve Winwood, Kenney Jones and the Jones Gang, Mike d’Abo, Jon Anderson and Gary Brooker.Tickets cost £75 per person or £50 for under 19s.