6. The Godfather

Director: Francis Ford Coppola
Year: 1972
Actors: Marlon Brando, Al Pacino, James Caan, Robert Duvall, Diane Keaton
Plot: Tells the story of a fictional Italian crime family set in New York City from 1945 to 1955...
Music: Classical Italian score by Nino Rota, with a beautiful theme and many other catchy Italian melodies...
Why:

• It is a classic masterpiece by Francis Ford Coppola that has become the defining movie of crime films...
• All around great acting, especially Marlon Brando...
• Beautiful Italian score
• Great setting in 1940s New York City, as well as the fields of Italy...

Key Moment: I don't have one in particular, but I do enjoy the business negotiations that capture the sophistication of these mafia-gangsters...