##Usage
npm install --save kick-nine
var Kick9 = require('kick-nine');
// Initialize AudioContext
var context = new AudioContext();
// Initialize kick instrument
var kick = Kick9(context);
// Create kick audio node (one time use only)
var kickNode = kick();
// Connect to target node
kickNode.connect(context.destination);
// Start
kickNode.start(context.currentTime);