1. Musical Innovations: Ellington's innovations in jazz composition, arranging, and orchestration greatly influenced the music scene during the Harlem Renaissance. He experimented with harmonies, rhythms, and instrumentation, pushing the boundaries of the genre. His style became widely renowned as "Jungle Style" or "Creole Rhapsody."
2. Band Leadership: Ellington led one of the most celebrated big bands of all time, known as the Duke Ellington Orchestra. The band, formed in the early 1920s, showcased various talented musicians. They gained immense popularity as they toured the country and Europe.
3. Collaborations: Ellington collaborated with prominent Renaissance figures, including poets, dancers, artists, and intellectuals. Collaborations such as the "Creole Rhapsody" with writer Arna Bontemps provided opportunities for interdisciplinary expressions of African American experiences during the Renaissance.
4. Jazz and Social Change: Ellington's music spoke to the cultural identity, social aspirations, and pride of African Americans. Through jazz, he contributed to creating a global awareness of and appreciation for their contributions to modern music.
5. International Popularity: Duke Ellington and his orchestra achieved wide fame, becoming internationally acclaimed. Their international success helped break down racial barriers and promoted understanding and respect for Black artists on a global level.
6. Influence on Contemporary Music: Ellington's impact transcended genres. His ideas resonated with classical, Broadway, and film composers. He opened doors for other creative expressions, inspiring young musicians, and helping break the color line in popular entertainment.
In essence, Duke Ellington stood as a cultural icon for the Harlem Renaissance, showcasing African American music brilliance and creativity to worldwide audiences, thus, contributing to racial advancement and leaving a long-lasting legacy in the development of American music.