Also not symphonies, but I suppose Penderecki's Threnody for the Victims of Hiroshima, Nono's Ricorda cosa ti hanno fatta in Auschwitz and other such pieces belong in a similar category....
Yes indeed... although probably we might want a separate discussion of non-symphonic works, along with other works that were written in the aftermath of WW2 rather than during it? Inevitably such a colossal event as WW2 would be bound to influence works for decades afterwards... especially since it's quite normal for reaction to develop through an arc of relief-thanksgiving-patriotic fervour-doubt-horror-revulsion-retrospection-reconsideration...
