It is on the Avatar soundtrack.
No she didn't. See the related link below for the soundtrack.
The songs in James Cameron's Avatar was a custom score composed by James Horner, and the tracks are as follows."You don't dream in Cyro..."Jake Enters His Avatar WorldPure Spirits of the ForestThe Bioluminescence of the NightBecoming One of "The People" Becoming One with NeytiriClimbinh Up Iknimaya - The Path to HeavenJake's First FlightScorched EarthQuaritchThe Destruction of HometreeShutting Down Grace's LabGathering All the Na'vi Clans For BattleWarI See You [Theme from Avatar]Apart from 14 were composed by James Horner. "I See You" which she recorded for the film by Leona Lewis and is only heard during the credits. You can buy the official soundtrack album in the related links.
Piano.
See the related link.
Leona Lewis's full name is Leona Louise Lewis.
Leona Lewis's birth name is Leona Louise Lewis.
Leona Lewis's full name is Leona Louise Lewis.
Leona Lewis
Leona Louise Lewis.
Yes, Leona Lewis is a singer.
Leona Lewis has a British accent.
leona lewis