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Okay... just because it's part of a class project doesn't mean you have to submit it. Why do people always feel the need to do that?
If I'm reading this right, you're saying that the guy who made the audio is forcing you to post this here because you used his audio. Is that right? And furthermore, does that make any sense? It'll be blammed anyway, so why should he care whether you submit it?
Congratulations on wasting our time.