Frank Sinatra has the perfect voice for love, adoration, and obsession: Warm and smooth, reliable and earnest, delicate and knowable. However, those same qualities mean that Sinatra’s voice is painstakingly agonising when detailing the horrors of heartbreak: Like a friend turning his back on you, or a comfort blanket souring and covering you in welts. A frown is much more affecting when you’ve seen the same face laugh and smile only moments befo…