1 Samuel 16:16

16:16 Let our lord instruct his servants who are here before you to look for a man who knows how to play the lyre. Then whenever the evil spirit from God comes upon you, he can play the lyre and you will feel better.”

1 Samuel 20:12

20:12 Jonathan said to David, “The Lord God of Israel is my witness. I will feel out my father about this time the day after tomorrow. If he is favorably inclined toward David, will I not then send word to you and let you know?