There is a gaming group of musicians called Neebs Gaming on YouTube that makes games look fun and sometimes will record their gameplay as if it is a movie.
This YouTube of them they are playing Scrap Mechanic and in it you can hear them make up songs off the top of their heads (not always the best but you can hear they know where their voices fit in) as well as their creativity when they play games together.
One series they did where they made it play out like a movie (and even got recognition by the game creators because of it at the end of the game) is when they played Subnautica: