Supercell is a musical/illustration group from Japan. Ryo is the composer and lyricists of this group. He uses a vocaloid called Hatsune Miku http://en.wikipedia.org/wiki/Vocaloid. Official website: http://www.supercell.jp Official blog: http://supercell.sc Wikipedia: http://en.wikipedia.org/wiki/Supercell_(band) Read more on Last.fm