I'm sorry to say this, but the audio of this track isn't very good. If you search for KOKIA - KARMA, there is a lot of better versions on this site.

3° Encerramento Da 1ª Temporada De Code Geass

Hitomi Kuroishi - Innocent Days

Kishi Ou No Hokori - (Fate/Stay Night)

メイドインアビス OST 

Made in Abyss   Episode 1, 8, 9 Insert Song 
Vocal: Takeshi Saito
Composer: Kevin Penkin
Lyricist: Takeshi Saito