{v. phr.} To talk or act differently, usually better because things have changed; be more polite or obedient because you are forced to do it. * /Johnny refused to do his homework but punishment made him dance to another tune./ Compare: CHANGE ONE'S TUNE, SING A DIFFERENT TUNE.
DANCE TO ANOTHER TUNE
Meaning of DANCE TO ANOTHER TUNE in English
Dictionary of English idioms . Словарь английских идиом. 2012