"La Corda d'Oro Blue Sky" is a 2014 anime adaptation of the manga series "Kiniro no Corda: Blue Sky," which is part of the larger "Kiniro no Corda" (La Corda d'Oro) franchise. The story centers on Kahoko Hino, a second-year high school student at Seiso Academy, a prestigious school known for its music program. Unlike her peers, Kahoko is not a music student but is unexpectedly drawn into the world of classical music when she encounters a magical violin given to her by Lili, a mischievous music fairy. This violin allows her to play beautifully despite her lack of formal training.

The narrative unfolds as Kahoko is selected to participate in the school's annual music competition, which pits students from the general education track against those from the music department. Her involvement sparks tension and rivalry, as many music students view her participation as unfair. As the competition progresses, Kahoko forms bonds with several talented musicians, each with their own struggles and aspirations. These include Kyoya Tsuchiura, a passionate violinist; Ryotaro Tsuchiura, Kyoya's younger brother and a skilled cellist; and Sei Amamiya, a reserved and enigmatic violinist with a troubled past. Other key characters include Haruto Kisaragi, a flamboyant and confident violinist, and Kohinata, a cheerful and supportive clarinetist.

The series explores themes of perseverance, self-discovery, and the transformative power of music. Kahoko's journey is not just about mastering the violin but also about finding her own voice and understanding the emotional depth of music. The competition serves as a backdrop for character development, as each participant confronts personal challenges and grows through their experiences. The story balances lighthearted moments with more introspective scenes, creating a narrative that appeals to fans of both music and character-driven dramas.

"La Corda d'Oro Blue Sky" maintains a focus on classical music, with performances and compositions playing a central role in the plot. The series incorporates real-world classical pieces, adding authenticity to the musical elements. While the story is rooted in the competition, it also delves into the relationships between the characters, highlighting their camaraderie, rivalries, and mutual respect. The anime concludes with a resolution to the competition, but it leaves room for the characters' continued growth and exploration of their musical paths.