Swing music is a lively and upbeat style of jazz that became popular in the 1930s and 1940s. Characterized by its strong rhythm and smooth melodies, swing music often features big bands with brass instruments like trumpets and trombones, along with saxophones and a rhythm section. The music encourages dancing, making it a favorite in dance halls and social gatherings. One of the most famous figures in swing music is Duke Ellington, whose compositions and arrangements helped define the genre. Other notable artists include Count Basie and Benny Goodman, who brought swing to a wider audience. The infectious energy of swing music continues to influence musicians today.