Without hesitation the best album of AC / DC ... Rock pure, unadorned, and it sounds to death! We find everything that characterizes this legendary group, a rhythmic concrete hyper catchy riffs, a lead guitarist Angus Young--The one crazy ... And a Bon Scott still in great shape! Add to that a quality mastering (I love the sound of this album) and a great feeling about the songs, and you get an album that can be classified in the category of pillars hard rock ...