One of the most unusual Holocaust novels : Comedy in a Minor Key

Part of the strangeness of Hans Keilson's short novel "Comedy in a Minor Key" is the title: why is it a comedy? It's about a Dutch couple who harbor a Jew in their attic during the Nazi occupation; the Jew (Nico) dies while in hiding and the couple, Maria and Wim, have to dispose of the body. (All this made clear in first few pages.) Then, the comic, I guess, twist: worried that when the police discover Nico's body, which Wim and a doctor had left in a park, the police will trace it back to Wim and Maria because of laundry tags, W & M themselves have to go into hiding. Spoiler here: all works out when a sympathetic cop himself clips the tags from the clothing, protecting the heroic protectors. So there's a comic "twist" and a "comic" ending in that all works out, for two of the characters anyways. And there are some grossly comic moments - carrying the stiff body out of the house, where to prop it, where to leave it - comic in the sense that maybe a Beckett play is a comedy. But I think "minor key" is the important element - all of this played out against a backdrop of the most horrible time in modern European history. It's comic and on an intellectual level interesting to explore briefly the relation that develops between the young couple and the older man whom they shelter, but when you step back for a moment and realize the grotesqueness of the whole situation, Jews living in hiding and Dutch patriots fearful for their lives for protecting the persecuted, the story itself, seen in the light of history, is a horror and a tragedy. Keilson in his quiet and unassuming way has written one of the most unusual of Holocaust novels - in the Holocaust is never named, the Nazis barely mentioned. It's like his other recently translated novel, Death of the Adversary, that takes on Hitler and Naziism without naming either.