Stone Cold Crazy was a precursor to speed metal .
`` Deep Purple 's song `` '' Highway Star is often sited as the first speed metal song  : //www.songfacts.com/detail.php ? id=6184  : metal.html.Queen 's `` '' Stone Cold Crazy '' '' from their 1974 album Sheer Heart Attack presaged speed metal , being eventually covered by Metallica . ''
Speed metal