G-senjou no Anata to Watashi

The manga centers on Yaeko Kogure, a woman who resigned from her company due to plans for marriage, only to have her fiancé break up with her on her last day. Confused and angry, she passes by a store that is playing Johann Sebastian Bach's iconic "Air" piece. Moved by the piece, she begins taking violin lessons for adults in the hopes of being able to play it.

(Source: Anime News Network)