Ceremonials (2 Lp's)There's a point just past the halfway mark on "Shake It Out," the rousing first single from Florence + the Machine's second studio release, when the swelling guitars, organs, and strings, staccato percussion, and Florence Welch's air raid siren of a voice lock up in a herculean battle over which one is going to launch itself into the stratosphere first. It's a contest that plays out at least once on each of Ceremonials' immaculately produced 12