A song that you discovered in an unusual way

When i was in basic training in 1983, I was assigned to clean our drill sergeants' office. One day I found a hand written sheet crumpled and thrown away. Being the nosy private that i was, I stuck it in my pocket to show the guys in my squad. We discovered that it contained the lines Generals gathered in their masses/ Just like witches at black masses/ Evil minds that plot destruction/ Sorcerer of death's construction/ In the fields, the bodies burning/ As the war machine keeps turning/ Death and hatred to mankind/ Poisoning their brainwashed minds/ Oh, Lord, yeah/

We started freaking out that we were being trained by obvious satanists. It was the 80s, after all. Finally someone realized that it was Sabbath song and we all calmed the fuck down.