Ed Sheeran on Instagram: "When the Divide tour ended in 2019, I had already planned Mathematics in my head. It was inspired by conversations I’d had with Michael Gudinski about playing my show in the round, a 360 view, much like the U2 tour. But we wanted to create a cable knit system that held up the PA to allow more people to see the show. The cable knit system is complex, and had been done only once before, but as a permanent structure by someone else, but no one had attempted to make it port