Kiniro no Corda: Blue♪Sky
English name: La corda d'oro: Blue♪Sky
Type: TV, Episodes: 12
Aired: Apr 6, 2014 to Jun 22, 2014
Studio: TYO Animations
Source: Visual novel
Rating: PG-13 - Teens 13 or older
Synopsis:
Soon after transferring to Seisou Gakuin, Kanade finds the orchestra club in the middle of preparing for the National concur. Teaming up with the other members, she will improve her skills, meet new rivals and create memories for what will become an unforgettable summer...

(Source: La Corda D'oro Wikia)