A music composer is a person who creates original music, often writing melodies, harmonies, and rhythms. They may work in various genres, including classical, jazz, pop, and film scores. Composers use instruments, software, or their voice to bring their ideas to life, and they often collaborate with musicians and producers to refine their work. Composers can be found in many fields, such as film, television, and theater, where they create soundtracks that enhance storytelling. Famous composers like Ludwig van Beethoven and John Williams have made significant contributions to music, influencing countless artists and shaping the sound of their respective genres.