A closer look

You'd think a secret society featuring famous poets like W.B. Yeats would be conjuring epic demons, but mostly they just hummed really loud. The Golden Dawn believed that speaking 'Words of Power' required a highly specific physical vibration of the vocal cords to resonate with astral planes. So, grown adults in elaborate robes spent their evenings standing in circles aggressively moaning the letter 'A' at each other until they felt dizzy.