User blog comment:Vanakita/FL chan's vocal/@comment-35301431-20110720135314/@comment-4042934-20110720170857

actually, the UTAU wiki claims that FL-studio is one of the products that provide royalty-free usage vocals, much like Iku acme's voice can be used in hentai games. nnn... I might need to contact the FL-studio producers for clearing up and (if not allowed) permission for use in audacity or other programs.