if you mean that xml, im pretty sure its about spellcast, that was the gearswap predecessor. So you wont get anything from it.
As you have been asking quite few times, gonna try to give you something almost done (could be wrong in somethings because i dont use windower, so anyone can correct me if im wrong).
1) Download Selindrile Repeater
https://github.com/Selindrile/Repeater
Create a folder with "Repeater" name, insert the code there and put the folder in "Addons" folder.
2) Load Repeater: just when in game, type in chat:
//lua load repeater
3) Grab a notepad, name it "Music" and write:
input /ma "victory march" <me>
Put it in the "Scripts" folder.
4) Back in game, after you load repeater, type:
//repeater delay 20 //repeater command input /exec "Music.txt"
5) Type:
//repeater on
Try this first and see if you can start something, then you can look to improvements.