Two decades ago, an earnest British singer-songwriter with a distinctive, keening voice had a hit that would, for better or worse, define the arc of his career as a musician. This month, James Blunt is gamely revisiting his debut album, Back to Bedlam, with a new deluxe edition and an outlandish promise of what he'll do if it's a chart success at home. Available on October 11, the remastered and expanded Bedlam will come with a bonus disc of demos of the entire album, plus four additional