Revo (レヴォ) is a Japanese composer, lyricist, vocalist and instrumentalist. He is the founder and leader of the group Sound Horizon which he formed in 2001, and Linked Horizon. Revo has collaborated with other artists such as Yuki Kajiura (Dream Port), Haruka Shimotsuki (Kiri no Mukou ni Tsunagaru Sekai), Marty Friedman (ex-Megadeth member) in Sound Horizon Maxi Single Ido e Itaru Mori e Itaru Ido, and Momoiro Clover Z (Sailor Moon Cristal OP: Moon Pride).