code: function SysexEvent(type, data, delay) {
      this.type = type;
      this.data = data;
      Event.call(this, {}, {}, delay);
  }
docs: Construct a SysexEvent
  
  @class SysexEvent
  @extends Event
  @classdesc A system exclusive MIDI event. This kind of event is
  not formally defined by the specification and can hold any kind
  of data. Its contents depends on the manufacturer, thus, this API
  does not try to interpret them but only passes the data along
  
  @param {number} type Sysex type
  @param {Buffer} data Sysex data
  @param {number} delay Sysex message delay in ticks