Metallica - the seventh-biggest recording act in American history - are consummate musicians, but it wasn\'t always that way.
Burton pushed the band to new heights with his musical training, songwriting ability, and phenomenal bass skills across three albums: Kill \'Em All (1983), Ride The Lightning (1985) and Metallic.
Their early career is marked by a gradual evolution from garage-level thrash to sophisticated, progressive heights - an evolution driven by their bass player, Cliff Burton.
Metallica - the seventh-biggest recording act in American history - are consummate musicians, but it wasn\'t always that way