We just got this march in our folders last week. It's a very good march with nice counter melodies for the euphonium. One of the few that I can remember that repeats back to the beginning... rather than the first strain. It's a circus march, so is taken pretty fast... faster than what I've found on YouTube so far.
Here's a link to listen to an mp3 file:
Bravura March (Duble) mp3
I played this in my highschool band a couple of years back, it's a great march! I'm pretty sure my band director always keeps me in mind when picking out marches because he always mentions the euphonium part. It's great, but your low brass has to some fast tongues or it'll have some sloppy sections. enjoy!