Great works of art may have a strange afterlife. Deracinated from the world that created them they are at the mercy of what people think is important centuries later. Nothing shows this more clearly than the contribution that Tallis’s ‘Spem in alium’ has made to Fifty Shades of Grey.

In case you are none the wiser, ‘Spem in alium’ is probably the most complex piece of music to come from the 16th century, and just possibly from any century.