Passenger


 * "Oh my passenger" — Lisa Hannigan

"Passenger" is a song from American singer Britney Spears' 2013 album Britney Jean, wich she co-wrote with Sia, Katy Perry, Diplo and producer Djemba Djemba. "Passenger" was originally intended for Perry's 2013 album Prism, as the latter's demo was leaked in 2017. It is unknown if Sia is aware her vocals were being used with that of the song's other, uncredited performer, Myah Marie.

For more information about this song, go to the Britney Spears Wiki's "Passenger" page.

Trivia

 * "Passenger" is the only Britney Jean song to have Sia's demo leaked, the other two have only had snippets leaked.
 * Recording sessions have leaked which show both Sia and Spears singing a demo.