‏ 1 Samuel 19:20

20Therefore, Saul sent officers to seize David. And when they had seen a company of prophets prophesying, with Samuel presiding over them, the Spirit of the Lord also came to them, and they also began to prophesy.
19:20 Prophesying: That is, singing praises to God by a divine impulse. God was pleased on this occasion that both Samuel’s messengers and himself should experience the like impulse, that he might understand, by this instance of the divine power, how vain are the designs of man against him whom God protects.(Challoner)
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