Playback singing

Playback singing is a film-production practice in which singers record songs separately and actors perform them on screen by matching their movements and expressions to the recording.

Lip synchronization: The coordination of visible mouth movements with recorded or transmitted speech or singing. Actors match mouth movements to the prerecorded vocal track.
The Jazz Singer: A 1927 American musical film widely associated with the arrival of synchronized dialogue in feature films. Its sound-era success helped establish songs as a major part of screen performance.
Lata Mangeshkar: An Indian playback singer whose career spanned Hindi and other Indian-language cinema for decades. Her voice became closely associated with many actresses and characters.
Hindi cinema: The film industry centered in Mumbai that produces films primarily in Hindi. Playback singing is a long-standing convention in its musical films.
Screen persona: The public identity an actor constructs or acquires through screen roles and performances. A singer’s voice can become part of an actor’s recognizable screen identity.
Pre-recording: The creation of audio before the images or performance it accompanies are recorded. Songs are commonly recorded before filming so actors can perform to them.
Sound film: A motion picture with synchronized recorded sound, including dialogue, music, or effects. Playback singing depends on cinema’s ability to synchronize recorded sound with images.
Mohammed Rafi: An Indian playback singer celebrated for recordings across Hindi film genres and styles. His adaptable vocal performances supplied songs for many screen heroes.
Tamil cinema: The film industry centered in Tamil Nadu that produces films primarily in Tamil. Its musical films rely extensively on singers recording for on-screen performers.
Film soundtrack: The recorded music and other audio associated with a film, often released as an album. Playback songs circulate as recordings independently of their filmed sequences.

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