sing a different tune

sing a different tune (third-person singular simple present sings a different tune, present participle singing a different tune, simple past sang a different tune, past participle sung a different tune)

1. (figuratively) To hold a different opinion or appreciation (about something); to possess a new, changed, or regenerated mindset, usually for the better.
   • 2016, Erica Vetsch, His Prairie Sweetheart:

     " […] Wait until you've walked a mile in their snowshoes...literally. You might be singing a different tune by then."

• sing the same tune