I think this is a refresh/rehash of an article from a couple of years ago, but it highlights the extent of the uncertainty over Brexit, and especially a no-deal Brexit. In this case it's the possible effects on the music industry including orchestras:
Or if you're running a festival:
Or simply a jobbing musician trying to travel with their instrument:
This is just the tip of the iceberg for the music industry, one of hundreds or thousands of industries.....
"Sunny uplands", "No possible downside, only a considerable upside"