“One quick way to warm up: Watching tenor heartthrob Roberto Alagna, who’ll swing into town Sunday for a concert performance of Giordano’s Andrea Chénier with Opera Orchestra of New York. In this French Revolution epic, Alagna plays an idealistic poet who belts out a few hit arias before joining his beloved Maddalena (soprano Kristin Lewis) on the guillotine.” Our own JJ chooses hot tickets for cold months. [New York Post]