I speak for many people when I say that COBURN's "We Interrupt This Program" would be more entertaining to listen to while fragging than that Pseudo-Epic trash music that Warrock plays in-game.
Hence, my theory.

It seems sound enough, I just do not know if there would be any holes in my (albeit simple) logic.

If one cut different .mp3 files to the right length and size, and then renamed them, Warrock could be tricked into playing them instead of the default BGM.

Am I right in this thinking, or am I stupid for asking?

Im probably not the first person to think this up, But it would be a good idea.

If anyone knows if my theory works, please let me know.

p.s. Possibly, If this works, someone might be able to write a program that automatically edits mp3's so that they are compatible as Warrock BGM.