Board Thread:Wiki Discussion/@comment-35301431-20130421172208/@comment-35301431-20150623024205

NickTheWoodenToaster wrote: It's an UTAU original.

It's present because there were many Vocaloid covers, along with "辞めてやるよ歌い手なんか (Yamete Yaru yo Utaite Nanka)", the page is giving credit to the source.