While Patti LaBelle‘s sculpted hairstyle and prominent cleavage may be all that most Super Bowl viewers remember of her recent halftime appearance, her church-rooted, powerhouse vocals were typically impressive. LaBelle’s booming voice and flashy presentation should compensate for the limitations of her uneven song catalog when she performs at 8 p.m. at the Warner Theater, 513 13th St. NW. $40-45. (202) 783-4000. (Steve Kiviat)