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
Passenger (Britney Spears song) finishing by saying that the track "features Perry's straightforward vocal style (...) while delivering the album's only meaty melody, but its lyrics about living without a map aren't believable coming from Brit's lips. Unlike Madonna or Janet Jackson (or Katy Perry), Spears never seems in control." Credits adapted from the liner notes of Britney Jean. Recording Personnel Passenger (Britney Spears song) "Passenger" is a song recorded by American singer Britney Spears for the eighth studio album "Britney Jean". It was written by Spears, Sia Furler, Katy Perry, Andrew Swanson and Diplo, being produced by the latter, while the vocal production