Composers are individuals who create music, often writing original scores for various instruments and ensembles. They play a crucial role in the development of musical styles and genres, influencing the way music is experienced and performed. Notable composers include Ludwig van Beethoven, Wolfgang Amadeus Mozart, and Johann Sebastian Bach, each contributing significantly to the evolution of Western music. In modern times, composers continue to innovate, blending traditional techniques with contemporary influences. They work in various settings, from film and theater to concert halls, showcasing their versatility. Composers like John Williams and Hans Zimmer have made significant impacts in the film industry, creating memorable scores that enhance storytelling.