“Kay Adams: Michael, you never told me you knew Johnny Fontane! Michael: Sure, you want to meet him? Kay Adams: Well, yeah! Sure. Michael: My father helped him with his career. Kay Adams: How did he do that? Michael: ...Let's listen to the song. Kay Adams: [after listening to Johnny for a while] Tell…”
— Mario Puzo, Francis Ford Coppola, Michael Corleone, Al Pacino, imdb.com