2 Chronicles 35:15
And the singers the sons of Asaph were in their place, according to the commandment of David, and Asaph, and Heman, and Jeduthun the king's seer; and the gatekeepers waited at every gate; they did not need to depart from their service; for their brethren the Levites prepared for them.
1 Chronicles 9:17-19
And the gatekeepers were, Shallum, and Akkub, and Talmon, and Ahiman, and their brethren: Shallum was the chief;
1 Chronicles 25:1-7
Moreover David and the captains of the army separated for the service some of the sons of Asaph, and of Heman, and of Jeduthun, who should prophesy with harps, with lyres, and with cymbals: and the number of the workmen according to their service was:
1 Chronicles 26:12-19
Among these were the divisions of the gatekeepers, even among the chief men, having duties like one another, to minister in the house of the LORD.
1 Chronicles 16:41-42
And with them Heman and Jeduthun, and the rest that were chosen, who were designated by name, to give thanks to the LORD, because his mercy endures forever;
1 Chronicles 23:5
Moreover four thousand were gatekeepers; and four thousand praised the LORD with the instruments which I made, said David, for praise.
2 Chronicles 29:25-26
And he set the Levites in the house of the LORD with cymbals, with lyres, and with harps, according to the commandment of David, and of Gad the king's seer, and Nathan the prophet: for so was the commandment of the LORD by his prophets.
Psalm 77:1
[To the Chief Musician. To Jeduthun. A Psalm of Asaph.] I cried unto God with my voice, even unto God with my voice; and he gave ear unto me.
Psalm 78:1
[A maschil of Asaph.] Give ear, O my people, to my law: incline your ears to the words of my mouth.
Psalm 79:1
[A Psalm of Asaph.] O God, the nations have come into your inheritance; your holy temple have they defiled; they have laid Jerusalem in ruins.