“James Hetfield’s right hand, the tightness of his playing, was something that had never been heard before. The tone of his guitar at that particular time added to the weight of the music, and it became tremendously influential.
“The Ratts and the Dokkens and the Motley Crues were happening at the same time this record came out, but Master Of Puppets announced to everybody that something different was going on. It was a really vicious, crushing sound. You couldn’t escape the fact that a new kind of band was on the horizon.
“Metallica were probably considered heavy metal at the time, but I think of them as a rock band, and this is a real rock record.”