What organization was established by James Reese Europe to support African American musicians in New York City?

The correct response highlights the establishment of the Clef Club by James Reese Europe, an important institution in the early 20th century that provided invaluable support for African American musicians. Founded in 1910, the Clef Club served not just as a union of musicians but also as an influential organization that aimed to elevate the status of African American musicians in the predominantly white music industry of New York City.

The Clef Club organized concerts, showcased African American talent, and advocated for better working conditions and fair wages for its members. This initiative was crucial in promoting the rich contributions of African American musicians to classical and popular music during a period marked by significant racial discrimination.

Other options, while they may represent other organizations or concepts, do not specifically relate to the same historical context and purpose aimed by Europe with the Clef Club. The Clef Club stands out as a pioneering organization that not only sought to unify musicians but also worked towards enhancing public appreciation for African American music and culture.