[2] He was among the first African-American musicians to play at Carnegie Hall in 1912.
[3] Vaughan wrote songs for several Will Marion Cook musical productions.
[3][4] He and James Reese Europe organized the Clef Club, a union for African-American musicians.
[3] He worked for Bert Williams and George Walker.
[5] He conducted the orchestra and performed piano accompaniment on tour in In Dahomey, for which he was also credited with musical direction and recognized in The Black Manhattan Trilogy – Three Volume Set.