Beyond using the music provided within the game, there is also a custom music mode for players to import and use their own music to play through the game's multiple difficulty levels. (originalsoundversion.com)
In one new music mode, I want to assign a separate instrument to each player, such that their «voice» drops off when they're eliminated. (kickstarter.com)
I found that there wasn't much difference between them, and that leaving them on the default music mode was fine. (laptopmag.com)