message: addresses osc type from
diff: @@ -138,8 +138,12 @@ Tone.Oscillator.prototype._start = function(time){
  oscillator.onended = function(){
  //defer the callback for the offline context rendering
  setTimeout(function(){
  + if (this.frequency){
  this.frequency.disconnect(oscillator.frequency);
  + }
  + if (this.detune){
  this.detune.disconnect(oscillator.detune);
  + }
  }.bind(this), 100);
  }.bind(this);
  