message: make sure time scheduling is always increasing in time
diff: @@ -126,6 +126,7 @@ export class ToneEvent<ValueType = any> extends ToneWithContext<ToneEventOptions
  this._humanize = options.humanize;
  this.mute = options.mute;
  this.playbackRate = options.playbackRate;
  + this._state.increasing = true;
  }
  static getDefaults(): ToneEventOptions<any> {
  