You can now see a full performance of Philip Wilby's Euphonium Concerto performed by David and Black Dyke Band on Youtube. The performance is taken from The Black Dyke Festival 2008 and includes an introduction from the composer himself. So far the performance has been viewed nearly 8000 times!

Copy and paste this link to see it:

http://www.youtube.com/watch?v=LECAbPrQe0o