Goosebumps- Piano lessons can be murder

When Jerry finds a dusty old piano in the attic of his new house, his parents offer to pay for lessons. There's something creepy about Jerry's piano's teacher, Dr. Shreek, something really creepy, something Jerry can't quite put his finger on. Then Jerry hears the stories. Terrifying stories about the students at Dr. Shreek's music school. Students who went in for a lesson and never came out.