The "William Tell Overture" is a classical music piece composed by Gioachino Rossini in 1829. It is best known for its lively finale, which has become a popular theme in various media, including television and film. The overture is part of the opera William Tell, which tells the story of a Swiss hero who fights against tyranny. The piece is divided into four sections, each depicting different scenes from the opera. The first section features a calm and serene introduction, followed by a stormy middle section. The final part is energetic and triumphant, often associated with the character of William Tell himself, symbolizing freedom and resistance.