What do you do when your world disappears overnight? By spring 2020, at the grand old age of 28, Krissy Matthews had been a full-time professional musician for more than half his life. Since walking out of the school gates at 16, the British-Norwegian bandleader had measured his existence in albums, tours and broken guitar strings, his thousand-plus shows across the world testament to his insatiable drive, his reputation summed up by the words of Howlin’ Wolf’s fabled sideman, Hubert Sumlin: “Oh boy, this kid can play…”