It’s Serj Tankian from SOAD singing Chop Suey.

“Sir? Sir! It is well past time for you to begin your day. Yes, sir, I am well aware work, as you put it ‘sucks ass’, but never the less, it is time to rise and shine. I will be back tomorrow at the same time.”

Before alarm clocks were easily available there used to be ‘knocker uppers’. They’d come tap on your window with a long stick to wake you up.