Aguilera’s voice, confessing to insecurities over a string orchestra in “I Am” and barely holding back tears in “You Lost Me.” The Australian songwriter Sia (whose last name is Furler) collaborated on retro 1960s-flavored songs that savor Ms. Linda Perry’s “Lift Me Up” tries to invoke “Imagine” but falls short. Aguilera tries grown-up mode for a handful of ballads. The second part of the album comes across as two postscripts. Aguilera diversifies to announce, “Fashion is a lifestyle.” Then she imitates Madonna, from the “Vogue” days, to speak and sing in “Glam.” In case the sex songs aren’t shallow enough, Ms. But the songs are built for narrower voices they barely need Ms. They’re snappy, gimmicky and professionally catchy “Elastic Love,” written with M.I.A., has a low-fi core and lyrics that cleverly work office-supply metaphors. (Tricky) Stewart and John Hill & Switch - all current hit makers - the tracks dip into reggae, electro and disco revival. With producers including Polow Da Don, C. In the S&M-style video clip for the album’s first single, “Not Myself Tonight,” she changes costumes as frantically as Lady Gaga. She goes breathy like Britney Spears she bounces vocals against percussion like Beyoncé.

Instead of separating herself from the pop-R&B crowd with her bluesy voice and her tales of trauma and redemption, Ms. This is the way to ring tone sales and radio play, until the next sexbot struts off the assembly line. But the choice makes her sound as peer-pressured as a pop singer can be.

Aguilera, 29, it’s an artistic swerve, turning away from the soul-flavored songs on her two previous albums, “Stripped” and “Back to Basics,” to visit the electronic realm. Aguilera promises, “I’m your supplier of lust, love and fire tonight.”įor Ms. “Woohoo” leaves no doubt about what her “woohoo” is, while in the bilingual “Des Nudites,” which is sung like the Spanish word “desnúdate” (“get naked”), Ms. Mostly as a sexbot: a one-dimensional hot chick chanting come-ons to club beats. Now, on her new album, “Bionic,” how has she decided to present herself? She has a catalog full of songs she wrote, many of them about a woman’s self-determination, and she has her pick of producers and collaborators. Christina Aguilera has a formidable voice and million-selling albums.

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