At the time, AC/DC were working on their third album, Dirty Deeds Done Dirt Cheap, and recorded a rough version of Young’s song while in Maschen, Germany, in 1976. On the demo, Young is on lead vocals ...

Forbes contributors publish independent expert analyses and insights. Quentin Singer is music journalist who covers rock and heavy music. Since it was established in the early 1970s, Heavy metal has ...

Horns up! There is nothing like listening to insane guitar riffs, heavy bass, soaring, even growling vocals, and a powerful drum beat. Even better, much of metal music is based on classical theory.