The following research starts with the observation that in some hard rock songs a close relationship can be established between the initially exposed material of the vocals and the harmonies within the whole song. The disclosure of the epistemo-logical position is followed by references to recent essays regarding harmony in rock music by Walter ... Everett, Nicole Biamonte and David Temperley. Analyses of "Back in Black" by AC/DC, "Highway Star" by Deep Purple and "The Future Never Dies" by Scorpions form the essay´s main part.