Popular music changes styles over time, but the powerful voice of Ann Wilson has endured since her band Heart, founded by Wilson and her sister Nancy, cranked out explosive bangers like “Barracuda” in the 1970s. Now 75, the rock trailblazer has released a new song called “Nothing But Love” ahead of her documentary “In My Voice.” Read more from @RollingStone@flipboard.com, including how Ann and Nancy “punched through a rock scene in the Seventies that was predominately led by males.” https://flip.it/-8f7Qq #Culture #Music #RockMusic #Entertainment #RockAndRollHallOfFame