It's a couple of years since I posted this, and I have a few more videos to show.
Here is a recent performance of William Himes' Jubilance played with the Mission Peak Brass Band. I'm playing a Schilke XA1 Bb cornet.
MPBB_GJC_Jubilance_20111014.m2ts - YouTube
Here is another fairly recent video of Phillip Sparke's Flowerdale (from the Hymn of the Highlands) performed with the Silicon Valley Brass Band (played on a Schilke Eb soprano cornet).
SVBB20101204_Guy_J_Clark_Flowerdale_1080.m2ts - YouTube
and the same performance, but from a different angle:
SVBB20101204_Guy_J_Clark_Flowerdale.mp4 - YouTube
I have a few more on my "guyjclark" Youtube channel.
South Bay Brass
ps. Anyone interested in a Conn 18A copper belled cornet? It's on eBay right now Here's a demo of it:
ConnDirector18ADemo.MP4 - YouTube