HAPPINESS IS A DISEASE; YOU SHOULD BE HAPPY NOT GRUMPY; COME ON SING ALONG! IF YOU’RE HAPPY AND YOU KNOW IT CLAP YOUR HANDS; IF YOU’RE HAPPY AND YOU KNOW IT CLAP YOUR HANDS; IF YOU’RE HAPPY AND YOU KNOW IT AND YOU’RE BRAVE ENOUGH TO SHOW IT; IF YOU’RE HAPPY AND YOU KNOW IT I’LL SLAP YOUR FACE