Bob Dylan has won the Nobel Prize for Literature. His name had been occasionally mentioned as a possible nominee in the past decade or so, but he was seen as unlikely to win for two reasons. The obvious one is that as a singer-songwriter rather than a published novelist, playwright or poet, his work has stood outside mainstream notions of what constitutes “literature” for most of Western establishment opinion, although the Nobel did, long ago, honor Winston Churchill for his works of history.

The second reason this was unlikely is that Dylan is American, and therefore, as we know from a gaffe years ago from a ranking member of the Swedish Academy, a provincial...