code: function parseSysexEvent(delay, type, cursor) {
      var data, length = parseVarInt(cursor);
  
      data = cursor.slice(length).buffer;
      return new SysexEvent(type, data, delay);
  }
docs: Parse a system exclusive MIDI event
  
  @private
  @param {number} delay Event delay in ticks
  @param {number} type Sysex type
  @param {module:buffercursor} cursor Buffer to parse
  @return {module:midijs/lib/file/event~SysexEvent} Parsed sysex event