message: uses passed in volume for `_unmutedVolume`
diff: @@ -28,7 +28,7 @@ define(["Tone/core/Tone", "Tone/signal/Signal", "Tone/core/Gain"], function(Tone
  * @type {Decibels}
  * @private
  */
  - this._unmutedVolume = 0;
  + this._unmutedVolume = options.volume;
  /**
  * The volume control in decibels.
  