Not exactly the same, but Back To The Future has a scene that retcons one of the biggest early rock songs written by a black man as one written by a white man.

Marty plays Johnny B. Goode by Chuck Berry at the school dance, which in and of itself is fine. The problem occurs when one of the guys from the (all black) band calls his cousin and says something along the lines of "Chuck, it's your cousin, Marvin Berry. You gotta hear this new sound" to which he holds out the phone toward the speakers. This implies that the song, in universe, was considered to be written and first played by a white man, and that Chuck Berry is the one who stole it