Indeed, the content of much rock ’n’ roll music can be seen as a traumatized recital of drill shouts. The nonsense, vulgarity, alienated sexuality, and shrill insanity of much rock ’n’ roll is a flashback or therapeutic attempt at recovery from martial abuse. The hierarchical, patriarchal, and pitiless operational model of early rock ’n’ roll is learned behavior from these repressed origins as well.