1 Samuel 16:14-16

14Now the Ruach Adonai had departed from Saul, and an evil spirit from Adonai terrified him.

15So Saul’s courtiers said to him, “Behold now, an evil spirit from God is tormenting you.

16Let our lord now command your courtiers in your service to search for a man who is a skillful player on the harp. Then whenever the evil spirit from God comes on you, he will play with his instrument and you will feel better.”