Livetune Is A Music Creator Who Makes Songs Which Focus Mainly With Having Hatsune Miku Vocals Though Lately They've Done A Collaboration With Doujin Vocalist ココ Koko . livetune Used To Consist Of Two Members - 'kz' And 'Kajyuki' かじゅき Before The Latter Left To Work At Capcom. Now Kz Makes Up The Entirety Of Livetune.