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Region: General | Usage example: After seeing the data, she began to sing a different tune.

Sing a different tune

Meaning

Change one's opinion or attitude.

Usage

Used when someone reverses course.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Musical metaphor for altering one's song.

Widely used in 19th-century prose and newspapers.