9 But as Saul was sitting in his house with his spear in his hand, a spirit of distress from the LORD came upon him. While David was playing the harp,
1 Samuel 19:9 Cross References - MSB
1 Samuel 16:14
14 After the Spirit of the LORD had departed from Saul, a spirit of distress from the LORD began to torment him.
1 Samuel 16:16
16 Let our lord command your servants here to seek out someone who can skillfully play the harp. Whenever the spirit of distress from God is upon you, he is to play it, and you will be well.”