If you listen closely to the songs, beyond the bombastic, you will hear voices. Tiny clicks and random sputtering. It's not English, perhaps not even from this planet. It is speech. Communication. It is a language.
You may start by just noticing the big bass. Then, perhaps the down in it drums. But then you notice the hi-hats working their rhythmic variations, and that sound. What is that sound? You don't know but you know it sounds good.
Now go listen for yourself.