"ヤマハ ボーカロイドキーボード『VKB-100』− 「初音ミク」をはじめ最大 5 種類の歌声に対応。12 月発売予定 −" [Yamaha Vocaloid Keyboard "VKB-100" - Supports up to 5 types of singing voices, including "Hatsune Miku". Scheduled to be released in December −] (news release) (in Japanese). YAMAHA. Retrieved 2019-03-18.