Can’t remember the name but has to do with a girl moving to a new home and helps solving the murder of her neighbors deceased sister’s death

[Tyrell]

novel where protaganist moves to a new house after her father was robbed at gun point and her new neighbor had a twin sister who died in an accident years ago. However, the entire town blamed the living sister for the other twins death. But the deceased sister ghost comes back and helps solve her murder. Also, I believe the living sister plays a piano.

[Tab]

How many years ago did you read this book?
What language was the book in?
Part of a series?
Anything about the cover?