Musical Masterpieces 9.0 or higher good manga

Shiori was once a guitarist in a light music club in high school. It was a serious band, but her first live performance was dashed when her brother ran away from home with a lot of debt, to become a musician in Tokyo. A decade later, Shiori is now a high school teacher, leading a boring, uneventful life and paying off the debt... till she runs into the ghost of none other than a famous guitarist Jimi-you-know-who…?!
A story based on the legend of the Crossroads and the 27 club…