Final answer:
Lil Hardin Armstrong was the pianist in Oliver's Creole Jazz Band and became Louis Armstrong's second wife. She was a significant jazz pianist, composer, and arranger, contributing to the music scene during the Harlem Renaissance.
Step-by-step explanation:
Lil Hardin Armstrong, the pianist in Oliver's Creole Jazz Band, became a pivotal figure in jazz during the early 1920s and played a crucial role in the genre's development. Her encounter with Louis Armstrong led to a significant personal and professional partnership, as she not only became his second wife in 1924 but also collaborated with him musically.
Lil was not only a skilled pianist but also a notable composer and arranger, contributing substantially to the innovative sounds of the era. The couple's marriage lasted until 1938, leaving an indelible mark on the jazz landscape. Beyond her relationship with Louis, Lil's impact extended to the broader jazz scene, particularly during the vibrant cultural epoch of the Harlem Renaissance, solidifying her legacy as a pioneering woman in jazz.