Joni Mitchell blackface controversy
Canadian and American singer-songwriter Joni Mitchell has been the subject of controversy for her use of blackface since the mid-1970s. == Background == As early as 1974, Mitchell described an apparently imaginary "male muse named Art" in an interview with Time Magazine, who noted that she "deeply (believed)" in him.
Source: Wikipedia — Joni Mitchell blackface controversy (CC BY-SA 4.0)