JSFiddle - React, Tailwind, and code Playground

HTML

<!--
  Addy Osmani's Contest:
  Win Tickets To The Online JavaScript Summit - Best Song Wins

  https://plus.google.com/u/0/115133653231679625609/posts/441MvgHZRmk
-->

JavaScript

// Spy - Oppan Gangnam Style

var chorus = 'Oppan Gangnam Style';

String.prototype.repeat = function(num) {
  return new Array(num + 1).join(this);
}

console.log(chorus);
console.log(chorus.split(' ').splice(1, 3).join(' '));
console.log((chorus.slice(0, 2) + ' ').repeat(4) + chorus);
console.log(chorus.split(' ').splice(1, 3).join(' '));
console.log((chorus.slice(0, 2) + ' ').repeat(4) + chorus);