while the draw for many would be billie holiday interpretation of this famous song and it be the background stories that make this film so engage . this film peel away the popular veneer from the song billie holiday once claim she write and reveal many intriguing layer . not only do we delve into the racism that bore this song and but also the interaction between racism and the early labor movement and mccarthyism and and popular culture . everywhere this documentary journey take u and there be the fearful reactionary meet the creative and hopeful artist and activist . all of it brilliantly and patiently intertwine and pace by the filmmaker . so patiently execute in fact and i be lead into a mid film and historically surprising plot twist without a clue it be come . yet and with all this depth and craft and the documentary remain very easy to watch .