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
Britney Spears develop at their own pace, Britney was developing at a pace set by the ferociously competitive American entertainment industry". In 2011, Adam Markovitz of "Entertainment Weekly" commented on Spears's voice and music: "We don't ask a whole lot from Britney Spears as an entertainer...we'll still send her straight up the charts simply because she's Britney. She's an American institution, as deeply sacred and messed up as pro wrestling or the filibuster. Musically, though, Spears will always have to measure up to her own gold standards of pop euphony: the operatic slither of 2004's 'Toxic' and the candied funk of 2000's