A driving, percussion-heavy form of rock that demands to be played LOUD, Metal has been described as larger-than-life music played by larger-than-life people. Heavy rock evolved out of the power blues of late sixties bands such as Cream and Vanilla Fudge, and got heavier and doomier with Black Sabbath. Whether Steppenwolf’s lyric “ Heavy metal thunder” (from William Burroughs) was the cause or the result of this turn-of-the-decade heaviosity is unclear. What is apparent is that if you want screaming guitars over a deafening rhythm section, metal is probably your thing. Of course, ther...