Have you been to ViolaMANIA?
"Boogie Woogie Bugle Boy" - arranged by Katie Wreede, featuring Daria D'Andrea, Patty Heller and Katie Wreede plus backup bratsche band (NorCalViolaSociety)! Starts at approx 2:40 minutes into the video.
"Ride of the (Viola) Valkyries" by Richard Wagner, arranged by Matthew Hindson.
NorCalViolaSociety has a great "Viola Pandemonium Series" - some very interesting tutorial videos!