Now, researchers say, her unique life and career have advanced the study of speech patterns. Miski Mohamed and Matthew Winn of the University of Minnesota analyzed years of recorded interviews from Taylor Swift's different eras to study how her speech patterns evolved through different phases of her life and career. Thanks to nearly two decades of public recordings, the researchers had a unique opportunity to study Swift and the way her dialect evolved with her career. The pair chose to focus on three major areas of Swift's life: different years, different cities and different albums. Dialect as powerThe second major shift in Swift's dialect, according to the study, came during her "Lover" era in 2019.