It started two decades ago, with its humble beginnings rooted in down-trodden basements and in the back alleys of our large urban centres. Now, it is has transformed itself from being labelled "rave" into the largest music movement in the history of the planet. It is- Electronic Dance Music. A place where the DJ is king. And it is the DJ music movement where superstars can make over $45 million per year, sell out arenas, and be revered by millions of adoring Twitter followers.