"Would an artist only let people see half a canvas then expect them to buy the painting?" Jonny Taylor tweeted this morning: "One of my very best mates @edsheeran released his Album '+' today!! It's a great day for UK music!! Go buy it now!! #nothingbutlove". I've loved Ed Sheeran's songwriting, stagecraft, hard work ethic and general career strategy ever since first seeing him play. His…