Complex sentence: The Hatsune Miku Vocaloid 3 Japanese vocal library was released on September 26,2013; it contained updates to all previous Vocaloid 2 vocals except "Vivid" and "Light".
Split into simpler sentences: The Hatsune Miku Vocaloid 3 Japanese vocal library was released on September 26,2013. It contained updates to all previous Vocaloid 2 vocals except "Vivid" and "Light".