A trumpeter is a musician who plays the trumpet, a brass instrument known for its bright and powerful sound. The trumpet has three valves that change the pitch of the notes played. It is commonly used in various music genres, including jazz, classical, and marching bands. In addition to performing, trumpeters often participate in ensembles or orchestras, contributing to the overall harmony and melody of the music. Famous trumpeters, such as Louis Armstrong and Miles Davis, have significantly influenced the development of jazz music, showcasing the trumpet's versatility and expressive capabilities.