Well, you'll have seen the cover of the new issue by now. Today, AC/DC are of course one of the biggest mainstream rock bands in the world. But back in the mid-70s their primitive high-energy take on rock'n'roll and rhythm'n'blues - driven by a yobbish bootboy stomp - helped pave the way for punk.
Here's the fresh-faced fivesome back where it all began. AC/DC, we salute you!