On July 25, 1983 Metallica released their debut album 'Kill Em All.' This landmark release helped bring thrash metal to the forefront of the minds of metal fans who were searching for something new.

The charmingly titled platter features the crowd favorite 'The Four Horseman', the unrelenting 'Jump in the Fire' and the seemingly permanent show closer 'Seek & Destroy'. This is clearly the work of a band who were on a course to change the very nature of heavy metal, and as you'll see on the following pages, they did exactly that.

Now here comes the big question -- do you have what it takes to pick just one song as the best from this metal classic?