Following is a transcript of the video. Narrator: Have you ever knocked on wood for good luck? This superstition stems from an old Pagan belief that spirits live in trees, and if you knocked on ...

A dynamic musical duo, Gloucester's Joe Kessler and Howie Newman, also known as Knock on Wood, will play a free concert ...

"Give it a knock - real wood has a sturdier, denser feel," she says. Pieces that are of a lesser quality will have a quieter sound. It's almost as if they're whispering for you to keep moving.

Percussionist Adrian Spillett takes soundings at Symphony Hall, Birmingham. Birmingham’s Symphony Hall opened in 1991, and has been critically acclaimed as Britain’s finest concert hall.