Considering that AC/DC passed their creative peak over 25 years ago, their current popularity is astonishing. Despite the quality of 2008’s Black Ice, most of the Aussie rockers’ later career has been defined by occasionally outstanding songs rather than truly great albums. They’re the ultimate ‘legacy’ band, and if the runaway success of the gargantuan Black Ice tour is anything to go by, they’ll happily end their days touring on the back of the