The sound meshed together the two prevalent forms of music with which he grew upwhich involved the tunefulness of country and the distorted guitars/fast tempo from rock and roll.
Usually the character of the work is lighter than other multiple-movement works for large ensemble (for example the symphony), with tunefulness being more important than thematic development or dramatic intensity.
A monolithic work of progressive doom, the album doesn't let its love of crushing loudness get in the way of some delicate tunefulness -- or even some acoustic interludes.
The timbre of his voice, flawless diction, feel for words, intuitive meends (glides), superb intonation and perfect tunefulness turned him into a legend during his lifetime.