a Japanese musician, singer, lyricist and composer. She is noted for having penned and composed songs for various anime and video games, including popular titles like Zettai Shōnen, Azumanga Daioh, Haibane Renmei, Suzumiya Haruhi no Yūutsu, Rocket Knight Adventures, Lucky Star and Love Live! School Idol Project, and for singers and voice actresses. She has even composed game soundtracks; formerly, Hata was a composer for Konami and Treasure games.