You will not find any more 'stirring' music than a good clean march!
I suggest you just to a 'search' on the word 'march' and learn about the details of the march musically as well as the composers - and the stories and history that go along with many of the marches.
A word of caution: you might just get 'addicted' to march music.
"A march should make a man with a wooden leg step out." John Philip Sousa
"You can not listen to a really fine band play 'The Stars and Stripes Forever' and keep your chin down." Karl King
"It's hard not to tap your foot along with the lively and happy beat of the march. A hundred years from now, bands will undoubtedly look and sound differently than they do today, but there's ample reason to believe that they will still be playing these musical treasures from the Golden Age of the March." Andrew Glover
For in-depth information about Sousa himself, his marches and on march music, click on Sousa's name: