Easter egg: In the Godfather DVD Collection, on the bonus materials disc, click on Set up. At the setup screen, press right to highlight a globe. Click on it to see clips from the Godfather movies translated into different foreign languages.
Easter egg: Go to the Galleries section and select 'DVD Credits'. Press 'Next' a few times until you reach the last screen on the DVD credits menu. Press 'Next' again to see a scene from The Sopranos where they try to watch a bootlegged copy of the Godfather on DVD. Very funny.
Chosen answer: The mattress montage music is called "This Loneliness." It is written and performed by F.F.C's father.