The main theme from "The Godfather" is called "Speak Softly, Love" and is one of the most iconic pieces of music in film history.

The main theme from "Schindler's List" is called "Theme from Schindler's List" and is a haunting and emotional piece of music that perfectly captures the film's themes of hope and despair.

The main theme from "The Lord of the Rings: The Fellowship of the Ring" is called "Concerning Hobbits" and is a playful and whimsical piece of music that introduces the film's main characters.

The main theme from "Star Wars: Episode IV - A New Hope" is called "Main Title" and is one of the most iconic pieces of music in film history.

The main theme from "Titanic" is called "My Heart Will Go On" and is one of the most popular and well-known love songs of all time.

The main theme from "The Lion King" is called "Circle of Life" and is a powerful and uplifting song that sets the tone for the film.

The main theme from "The Dark Knight" is called "Why So Serious?" and is a dark and brooding piece of music that perfectly captures the film's atmosphere.

The main theme from "Inception" is called "Time" and is a haunting and ethereal piece of music that perfectly captures the film's themes of dreams and reality.

The main theme from "Interstellar" is called "Interstellar" and is a powerful and emotional piece of music that perfectly captures the film's themes of space, time, and love.

The main theme from "La La Land" is called "City of Stars" and is a beautiful and romantic song that perfectly captures the film's themes of love and dreams.

The main theme from "The Shape of Water" is called "The Shape of Water" and is a haunting and beautiful piece of music that perfectly captures the film's themes of love and acceptance.

The main theme from "Black Panther" is called "Black Panther" and is a powerful and energetic piece of music that perfectly captures the film's themes of heroism and identity.

The main theme from "Bohemian Rhapsody" is called "Bohemian Rhapsody" and is one of the most iconic rock songs of all time.

The main theme from "Rocketman" is called "Rocket Man" and is one of Elton John's most popular and well-known songs.

The main theme from "Once Upon a Time in Hollywood" is called "Once Upon a Time in Hollywood" and is a laid-back and groovy piece of music that perfectly captures the film's setting and atmosphere.