Eddie Truck, long time radio, TV, podcasting personality and rock and roll historian, sez not only are AC/DC working on new material, but that Brian Johnson will "absolutely" tour with the band again, after hearing problems forced him off the road in 2016....here's more https://www.planetrock.com/news/rock-news/ac-dc-reveal-that-they-are-absolutely-going-to-tour-with-brian-johnson/