You don't really hear the tune... You hear an interpretation of what it might have been like. If you listen to the piece by Dr Anne Kilmer (at 2:50) and then

You don't really hear the tune... You hear an interpretation of what it might have been like. If you listen to the piece by Dr Anne Kilmer (at 2:50) and then compare it to the other examples, you will struggle to hear a similarity in the tune - at least I couldn't.