Of course it never happened, but those few composers who did survive – mostly gentiles such as Bohuslav Martinu – offered a hint of what might have been but never was, with his extraordinary blend of Bohemian romance and modern rigour.
They considered themselves to be so Jewish that the notion of baptising gentiles was a problem for the original Jewish Christians who believed that the Jewish messiah had come.Amos Oz, an Israeli author, recounts the story of his aunt's conundrum: "When the messiah comes, we shall have to ask him whether he has been here before".
Hence, when the Yid chant goes up, even though it is intended in a wholly positive sense, most of those using the word will be Gentiles.
By the mid-1930s Germany had passed laws excluding Jews from state employment and forbidden marriage between Jews and gentiles.
The vast majority of gentiles did nothing to help the 2.7m Polish Jews murdered by the Nazis, and the Polish pogrom in Kielce after the war convinced many of the roughly 250,000 who survived the Holocaust that they should leave.Still, the exhibition's attempt to balance the story of Polish Jews' suffering with a celebration of Polish Jewish prosperity is a sign of the times.
Many Polish gentiles are eager to learn more about a culture that marked their country so deeply.Some harbour less benign feelings.
The threat is real, but it can strike gentiles as well as Jews whether in Europe or America.The European political model may be fraying, but it still tries to maintain open and tolerant societies.
The economy minister, Naftali Bennett, a sceptic of the peace process, recently toured the Far East, saying he was bringing a "light to the gentiles" by way of Israeli business.
That is a big problem for gay Mormons, but less so for gay gentiles with Mormon neighbours.
Sevi's followers dreamed not only of returning to Israel but of having Gentiles prostrate themselves before them.
And, after Nazi extermination and Soviet repression, the anti-Semitism that made life tenuous for Ukraine's Jews has at last given way to toleration from gentiles and even, at times, enthusiasm among those gentiles keen to rediscover the Jewish past.
