From "Is Classical Music Culturally Relevant?":
Anyways all a composer needs to do to be culturally relevant is to title their work in line with some cause du jour. it’s easy, after ignoring the past 100 years of art, you take your mushy post-romantic wrong note vomit and tie it in with some great cause like global warming or the #metoo movement
In the short story, the work in question dares to use one note (A) to be "culturally relevant," rather than a "mushy post-Romantic" style. The Nazi extermination of European Jewry is (I do not believe) a "cause du jour" any more, but it is still in our memories. Knowledge about the victims of other exterminations (Stalin's, Mao's, etc.) does seem to have faded.