John Philip Sousa was an American composer and conductor, best known for his lively marches. Born in 1854, he became famous for pieces like "The Stars and Stripes Forever," which is often played at patriotic events. Sousa's music is characterized by its strong rhythms and catchy melodies, making it popular among both military bands and the general public. In addition to composing, Sousa was a talented conductor who led the United States Marine Band for many years. He also formed his own band, the Sousa Band, which toured extensively and brought his music to audiences around the world, solidifying his legacy as the "March King."