Beyond this, the post modern rock trajectory suddenly demands the need for story telling. Weirdly architecture did this too, we called it narrative. Usually, for rockers, these are everyday stories of roads, Armageddon or fairyland. Archetypes heard this morning include Bon Jovi's Dead or Alive but could include almost anything from anybody hacking down rock verse from 1974 on. Here Jethro Tull are exemplary (in an awful way) and became at one dreadful point in history the biggest live act in the USA, and Yes who remain indefensible. A further extremity of lyrical garbage would be reached with Rush, who even bring in quaintly Disneyesque motifs (Tom Sawyer). However I'll save that for later. I think it was Def Leopard who actually tried to do the Somme.
Meanwhile remember Judas Priest's 'Breaking the Law' is exactly the same as Thin Lizzy's 'Boys are Back in Town'.