// wavepot.com
    // satan's bagpipes - justaboutdead
    var volume = 0.666;
     
    var pitch = 0.666;
     
    var chorus;
    var voices = 6;
    var separation = 0.00666;
    var detune = 666.666;
     
    function dsp(t){
      chorus = 0;
      for(i = 0; i < voices; i++){
        chorus += (1 / voices) * $(pitch + (detune * i), t + (i * separation));
      }
      return volume * chorus;
    }
       
         
    var tau = 2 * Math.PI;
     
    function $(n, t){
      return sub(0.666 * tri(n, t) + 0.0666 * sin(n * 666, t), (1 + sin(666, t)) * (2 + (1 + sin(666, t)) * 1), t);
    }
     
    function sub(wave, mul, t){
      return Math.sin(wave * mul + tau * t);
    }
     
    function sin(x, t){
      return Math.sin(tau * t * x);
    }
     
    function tri(x, t){
      return Math.abs(1 - (2 * t * x) % 2) * 2 - 1;
    }