Tuck into a delicious food and wine picnic hamper and watch the napoleonic cavalry and infantry displays early on then a volley of shots from a vintage field gun opens preceedings followed by a choreographed display from carolyn grace in her lf mark ix spitfire to accompany the opening piece the new english concert orchestra performs a raft of powerful classical music including tchaikovskys 1812 overture with live cannon fire and beethovens battle symphony complete with 193 live cannons a