Board Thread:Questions and Answers/@comment-108.64.185.255-20150316003825/@comment-30602727-20150316164230

"If you use the software for purposes that Yamaha or the vocal maker don't want to be associated with, you have to use your own character, whether or not you even went to the trouble of messing with the parameters."

Or just use UTAU rather than just pitching VOCALOIDs up and down.