Don Messer: His Land and His Music celebrates the king of Maritime fiddling. It's 1969, and Messer's band is on a poignant, cross-Canada farewell tour. Poignant, because CBC-TV has just announced the cancellation of the long-running Don Messer's Jubilee. But if Messer's upset, he isn't showing it. Instead, he's in top form, packing them in from Halifax to Whitehorse: one curling rink, hockey arena and small-town theatre after another. More than a musician, Don Messer was a genuine folk icon, idolized by millions of fans who felt as though they knew him personally. Although he died in 1973, Messer has …