1 Samuel 16:23

So whenever the [evil] spirit from God came to Saul, David would take the stringed instrument and play it with his hand. Then {it would bring relief} for Saul; {he would feel better} and the evil spirit would depart from him.

1 Samuel 16:14-16

Now the Spirit of Yahweh departed from Saul and an evil spirit from Yahweh tormented him.

1 Samuel 18:10-11

{On} [the] next day, the evil spirit from God rushed upon Saul, and he prophesied in the middle of the house. Now David was playing [the lyre] with his hand on [that] day {as usual}, and the spear was in Saul's hand.

Matthew 12:43-45

"Now whenever an unclean spirit has gone out of a person, it travels through waterless places searching for rest, and does not find [it].

Luke 11:24-26

"Whenever an unclean spirit has gone out of a person, it travels through waterless places searching for rest, and does not find [it]. It says, 'I will return to my house from which I came out.'

Treasury of Scripture Knowledge

Summary

And it came to pass, when the evil spirit from God was upon Saul, that David took an harp, and played with his hand: so Saul was refreshed, and was well, and the evil spirit departed from him.

The evil spirit

Bible References

The evil spirit

1 Samuel 16:14
Now the Spirit of Yahweh departed from Saul and an evil spirit from Yahweh tormented him.

Saul

1 Samuel 18:10
{On} [the] next day, the evil spirit from God rushed upon Saul, and he prophesied in the middle of the house. Now David was playing [the lyre] with his hand on [that] day {as usual}, and the spear was in Saul's hand.
Matthew 12:43
"Now whenever an unclean spirit has gone out of a person, it travels through waterless places searching for rest, and does not find [it].
Luke 11:24
"Whenever an unclean spirit has gone out of a person, it travels through waterless places searching for rest, and does not find [it]. It says, 'I will return to my house from which I came out.'