"You're Going to Lose That Girl" is a song by the Beatles from the album Help!, written mainly by John Lennon (and credited to Lennon-McCartney) for the film Help!. Capitol Records originally titled the song "You're Gonna Lose That Girl" in the United States. In the film, the group appears singing this song in the recording studio. (In addition to the group's familiar guitar-and-drum setup, there is also footage of Paul McCartney at a piano and Ringo Starr playing the bongos.)
The lyrics feature the singer assuring a friend that if he does not take care of his girl, the singer will do it instead of him. The song has an unusual key change - the chorus and verses are in E major, but during the bridge the key shifts to G major, the relative major of the parallel minor.
In November 1977, Capitol Records scheduled the release of "Girl" backed with "You're Gonna Lose That Girl" as a single (Capitol.
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