What was the name of the first successful all-black Broadway musical?

The first successful all-black Broadway musical is "Shuffle Along." Premiering in 1921, this groundbreaking production was significant for several reasons. It featured an all-black cast and was one of the first musicals to bring African American culture to mainstream audiences in a positive light. The show included elements of jazz and introduced themes that addressed the African American experience, contributing to its success and influence. The music and lyrics by Noble Sissle and Eubie Blake helped to set the stage for future all-black productions and genuine representation in musical theater. "Shuffle Along" not only broke racial barriers but also laid the groundwork for future works in the Broadway genre, making it a pivotal moment in American theater history.