William T. "Champion Jack" Dupree (1909-1992) was an influential American blues pianist and singer, recognized for his vibrant style that blended elements of New Orleans jazz and Delta blues. Born in New Orleans, Dupree's musical career began in the 1920s, and he gained prominence in the 1940s and 1950s. His notable works include "Junker's Blues" and "Shuffle in a Box," which showcase his unique vocal style and dynamic piano playing. Dupree was also known for his storytelling ability in his lyrics, often drawing from personal experiences and the struggles of African American life. Dupree's impact on music extends beyond his recordings; he played a crucial role in the development of the Chicago blues sound and influenced numerous artists in the genre. His performances were characterized by a lively stage presence, helping to popularize blues music in the post-war era. Dupree's legacy endures through his recordings and his contributions to the evolution of blues, making him a significant figure in the American music landscape.