Was it in the Madden 2003 commercial "Kickimus Maximus Buttimus"? Might be O Fortuna from Carmina Burana... sounds like Roman gladiator music or something? Since you mentioned Glory, it's kind of similar to the music playing during the Fort Wagner battle. Give it a try.
http://www.anthea2.freeuk.com/carminaburana/
A MIDI of it plays here when you visit the page.
-Mikey