Britney Spears Zone" and "Blackout". She has also experimented with genres such as dubstep, first on "Blackout"'s "Freakshow" and again on "Hold It Against Me" from "Femme Fatale". Spears' music also has been described as Spears is a soprano. Prior to her breakthrough success, she is described as having sung "much deeper than her highly recognizable trademark voice of today", with Eric Foster White, who worked with Spears for her debut album "...Baby One More Time", being cited as "[shaping] her voice over the course of a month" upon being signed to Jive Records "to where it is today—distinctively, unmistakably Britney". Rami
Circus (Britney Spears album) their Top 50 Worldwide Concert Tours of 2009; "The Circus Starring Britney Spears" was ranked as the fifth highest-grossing tour worldwide of the year, with a gross of $131.8 million. In May 2010, "Hollyscoop" ranked the tour at the fifth position in their 15 Most Profitable Female Tours Ever list. "Womanizer" was released on September 26, 2008 as the album's lead single. The song was met with positive response from critics, who complimented its hook and empowering lyrics and deemed it as a return of form and a "comeback" single for Spears. Womanizer debuted on the "Billboard" Hot 100 at