I listened to NEXT LEVEL's instrumental...

And take a listen

[ame]http://www.youtube.com/watch?v=XCHA6SIWVjQ[/ame]

Hear that second voice? It sounds so weird but her high voice is really, really cute. It'd be funny if they had made another version with her singing the whole thing.

Well, along with the main voice, they do blend well together.