Overcoming a childhood in slavery, Mary Fields made a home on the Wild West frontier as a gun-toting, bar-brawling force of nature. The first African American woman to deliver the U.S. mail, Mary was a pillar of her community and a true pioneer.

Before Chuck Berry, before Elvis…there was the true "Mother of Rock 'n' Roll." From child prodigy gospel singer to international star, this often-overlooked, guitar-slinging musical pioneer has earned her place among rock royalty.