When Protoss players come on the stage, they should play the song
"untitled" by Simple Plan
It's basically an annoying song about being sorry for yourself and talking about how hard you have things, it seems to apply remarkably well to most protoss players right now
OT: I think that it would be cool, but of course it's very expensive. Maybe there are ways to minimize the costs, like having a "team song" where you only have to pay royalties on a few songs (one for EG, one for mouzports, one for Liquid, one for dignitas, one for CoL, etc) instead of each of the 32 players having their own song to pay royalties for, you only have about 5 or 6.
Sort of a necro bump, but considering that NASL Finals had players choose their intro songs, I think MVPs (because MVP is nearly always in the finals of any tournament he enters) should be: