Don't Blame the Music — Caroline B. Cooney

Seventeen-year-old Susan looks forward eagerly to her senior year in high school but finds her comfortable assumptions and optimistic expectations of life and people shattered by the return home of her older sister, a failed rock singer with a bitter grudge against the family.Susan, a high-school senior, and her parents find their peaceful lives threatened by the return of Susan's older sister Ashley, a would-be rock star, an embittered, angry failure who blames her family for her misery