1) ryo is a famous songwriter amongst Vocaloid2 fans. He made some of the most professionally Hatsune Miku songs such as MELT, Black★Rock Shooter, and World is Mine.

2) Ryo is a female doujin vocalist. Circle: AniPix

3) Ryo is a doujin music arranger. Circle: ether Website: http://ameblo.jp/etherryo

4. Ryo is a doctor in Japan, who posts songs on iCompositions, a site for songs created using the Mac application GarageBand. His first few songs were short, Beatles-inspired songs, and all his songs have a 60s-70s feel to them.

5. Ryo is a Japanese breakcore/mashcore/reizokore artist, releasing music primarily on netlabel Lost Frog Productions.

6. RYO is an indonesian underground artist, primarily making Hyperpop/Emo-Rap/Pop-RnB/Pluggnb/EDM/Dangdut-core.