function shuffleSwap(shuffleList, original, random) {
    var temp = shuffleList[original];
    shuffleList[original] = shuffleList[random];
    shuffleList[random] = temp;
  }
Swaps and randomizes the song shuffle.

@access private
@param {object} shuffleList 	- The list of songs that is going to be shuffled
@param {number} original 		- The original index of he song in the songs array
@param {number} random 			- The randomized index that will be the new index of the song in the shuffle array.