The Godfather Easter Egg - Rock Band Reference

Head to the New Jersey bank and go inside it, go to the top floor and enter the manager's office, walk tothe manager and hold the "L1" button to target him to reveal that his name is "Jean Bongiovi", a very clear reference to the Bon Jovi lead vocal Jon Bon Jovi. Also Jon Bon Jovi is from New Jersey and this egg is found in New Jersey.