There are at least 5 bands/artists by the name "Sora":
1 Sora (Takeshi Kurosawa) from Kyoto, Japan.
2 Sora, a Polish hardcore-punk band.
3 Sora, a Japanese quartet.
4 Sora, from Porvoo, Finland.
5 Sora (Andrea Hunt) from Calgery, Canada.
6 SORA J-pop singer from South Korea, Seoul. 1) Sora (Takeshi Kurosawa) from Kyoto, Japan
Sora is Japanese and means "sky", and it also refers to the notes "sol" and "la" of the musical scale (do-re-mi-fa-sol-la-ti). Album: "re:sort" (Plop 2003); "Live at Metro" (Intervall-audio 2007).

Read more about Sora on Last.fm.