 One well-known case concerned the actions of the four Soviet composers Shostakovich, Khachaturian, Prokofiev, and Myaskovsky against the movie company 20th Century Fox.20th Century Fox had published a movie called "The Iron Curtain", using music of these four composers as background music and crediting the composers.The four Soviet composers initiated legal actions against the movie company, claiming that the use of their names and music in a movie whose theme was objectionable to them and that was unsympathetic to the Soviet ideology libeled them and violated their civil rights.