Melissa Errico Sings at 54 Below Michelle V. Agins/The New York Times Melissa Errico performing at 54 Below on Thursday night. The soprano Melissa Errico summoned her inner Barbra Streisand at 54 Below on Thursday evening in a show that focused on her power to carry a sumptuous Broadway ballad to the moon and back. Her high-strung voice, which she peeled away in layers, and her blinding glamour are her greatest strengths. Trotting onto the stage in a sequined black mini-dress, six-inch heels and fishnet stockings, she opened the show with a fragment of the Alicia Bridges disco hit "I Love the Nightlife," in memory of Studio 54, whose basement is the club's home. She closed with an excerpt from Donna Summer's "Last Dance." In between, she delivered Broadway and movie songs with a whopping authority. In her nightclub appearances over the past decade, Ms. Errico, who is 42 but looks 20 years younger, has tried, with mixed success, to branch out from the formality of theatrical belting into more intimate soft-rock territory. Guided by Ms. Streisand's concert director Richard Jay-Alexander, Ms. Errico has returned to the grand tradition in which she is most comfortable. A trio led by John Oddo on piano, and featuring David Finck on bass and Jim Saporito on drums, helped loosen up "I Dreamed a Dream" and "How Do You Keep the Music Playing?" with subtle Brazilian inflections. The most vocally spectacular performance was a rendition of the little-known Rupert Holmes song "Moonfall," from "The Mystery of Edwin Drood," a revival of which is playing in Studio 54. In the most dramatically pointed moment, she gave "One Hallowe'en," Eve Harrington's defiant anthem from "Applause," the 1970 show based on "All About Eve," a scary edge of demonic ferocity. Among the stories Ms. Errico told, the funniest involved her discovery that the "studio cast recording" of the flop Broadway show "Dracula, the Musical," in which she starred, featured singers who were not in the original production. "The Heart Is Slow to Learn," a plodding, formulaic ballad from that show, suggested why it had such a short life. Melissa Errico performs through Saturday at 54 Below, 254 West 54th Street, Manhattan; (646) 476-3551, 54below.com.