... AC/DC is Australian?!
Seven months after the release of Highway to Hell (1979), Scott died of alcohol poisoning and English singer Brian Johnson was then recruited as their new frontman.
Ahhh, that'd be it. It's like Band Of Horses being from Seattle, but Ben Bridwell being from South Carolina.
Or the opposite of when I bought decent headphones and realized Weird Al and the guy from Incubus grew up like a mile apart.