Quick answer — Sound of the Sky: the opening theme is "Hikari no Senritsu" by Kalafina and the ending theme is "Girls, Be Ambitious." by Haruka Tomatsu.
In a lonely corner of the world, on the edge of No Man’s Land, sits Clocktower Fortress. It’s home to the 1121st Platoon of the Helvetian Army, and their newest member is a 15-year-old volunteer named Kanata Sorami, who enlisted to learn how to play the bugle. When she was a child, Kanata was saved by a… Produced by A-1 Pictures, this music, sci-fi, and slice of life series premiered in Winter 2010. With 12 episodes total, it is finished.
Also known as: Sora no Oto · Soranowoto · Sora no Woto
Sound of the Sky has 12 episodes and is finished.
Sound of the Sky was produced by A-1 Pictures and released in 2010.
Sound of the Sky is classified under Music, Sci-Fi, Slice of Life.
Sound of the Sky premiered in Winter 2010.
The opening theme "Hikari no Senritsu" from Sound of the Sky is performed by Kalafina.
The ending theme "Girls, Be Ambitious." from Sound of the Sky is performed by Haruka Tomatsu.
Sound of the Sky is an original anime.
Sound of the Sky is listed on Crunchyroll, YouTube. Availability varies by region.












Character data from AniList.
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