Where does this come from, and can I check it?

A pulse played through headphones let performers match a recording. The figure is taken from Academy of Motion Picture Arts and Sciences, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a movies & tv fact?

Yes. It sits on the Movies & TV shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

A click track kept film musicals in time

A pulse played through headphones let performers match a recording Once musical numbers were pre-recorded, performers needed to stay in step with the playback. A click track, a steady audible pulse sent to headphones or speakers, gave conductors and dancers a common tempo. The technique came from animation and radio and became standard in film musical production. It sits in Mondo's movies & tv collection, one of 200 facts that each trace back to the reference below.

Where this comes from

Academy of Motion Picture Arts and Sciences

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Movies & Television trivia Music trivia

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Tags: sound, musicals, technique

A click track kept film musicals in time: the short answers

Where does this come from, and can I check it?: A pulse played through headphones let performers match a recording. The figure is taken from Academy of Motion Picture Arts and Sciences, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a movies & tv fact?: Yes. It sits on the Movies & TV shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.