"Symphonie Diagonale" is a short experimental film created in 1924 by the Swiss filmmaker Hans Richter. It is known for its abstract visuals and innovative use of animation, combining geometric shapes and rhythmic patterns to create a dynamic visual experience. The film is a significant example of the Dada movement, which sought to challenge traditional artistic conventions. The film features a series of rapidly changing images that evoke a sense of movement and sound, reflecting the influence of modernist art and music. "Symphonie Diagonale" is often regarded as a precursor to later developments in abstract cinema and has inspired various artists and filmmakers in their exploration of visual rhythm and abstraction.