Bible Verses About Prophets: One generally attached to the king's household

And David riseth in the morning, and the word of Jehovah hath been unto Gad the prophet, seer of David, saying,

And he appointeth the Levites in the house of Jehovah with cymbals, with psalteries, and with harps, by the command of David, and of Gad, seer of the king, and of Nathan the prophet, for by the hand of Jehovah is the command, by the hand of His prophets;

And the singers, sons of Asaph, are on their station, according to the command of David, and Asaph, and Heman, and Jeduthun seer of the king, and the gate keepers are at gate and gate; it is not for them to turn aside from off their service, for their brethren the Levites have prepared for them.