In their study, the team analysed years of Swift's recorded interviews to track how her dialect has transformed. Their analysis shows how Swift had a Southern accent when she lived in Nashville from 2004-2014. But when she moved to the east coast, she quickly adopted a more northern American drawl, alongside a lower pitch. Their analysis revealed how Swift adopted features of a Southern accent when she lived in Nashville. Their analysis revealed how Swift adopted features of a Southern accent when she lived in Nashville.