This article is so intriguing. Loved the videos, too! How has your accent developed, & why has it changed? (I only wish they'd done one on the North Midlands!)
'A Brief History of the United States’ Accents and Dialects' .... https://www.smithsonianmag.com/history/a-brief-history-of-the-united-states-accents-and-dialects-180983591/
@Dreamnghrt
My ex was one of the big names in this field and helped write/edit the Encyclopedia of American Dialects. RIP, Bruce.