There are many compositions dealing with the horrors of World War II. Some of them, like Penderecki’s Threnody for the Victims of Hiroshima, have little to do with the war–Penderecki changed the original title of the work from 8:37 after hearing its first performance. Others, like Shostakovich’s Seventh Symphony, achieved notoriety during the war, but their status in the repertory is still debated. (I can’t stand the Seventh, but find his Eighth Symphony one of the most moving works to arise from the war). Then there is that genre unto itself, the Holocaust piece. An Israeli colleague of mine once