2 Chronicles 35:15
And the singers, the descendants of Asaph, [were] at their stations according to the decree of David and Asaph and Heman and Jeduthun, the seer of the king. And the gatekeepers [were] at {each gate}. They did not need to depart from their service, for their brothers the Levites had made preparations for them.
1 Chronicles 9:17-19
And the gatekeepers [were] Shallum, Akkub, Talmon, Ahiman, and their brethren (Shallum [was] the chief);
1 Chronicles 25:1-7
And David and the commanders of the army set apart for the service the sons of Asaph, [of] Heman, and [of] Jeduthun, who prophesied with stringed instruments, with harps, and with cymbals. And their inventory of the men of the work [and] for their duty was:
1 Chronicles 26:12-19
These working groups of gatekeepers, corresponding to the chief men, had responsibilities like their brothers to serve in the house of Yahweh.
1 Chronicles 16:41-42
And with them [were] Heman and Jeduthun and the remainder of those chosen, who were designated by name to give thanks to Yahweh, for his loyal love [is] everlasting.
1 Chronicles 23:5
four thousand gatekeepers, [and] four thousand offering praise with the instruments that I have made for praise."
2 Chronicles 29:25-26
And he stood the Levites [in] the house of Yahweh with cymbals, harps, and lyres, according to the command of David and Gad, the seer of the king, and Nathan the prophet, for the command [was] by the hand of Yahweh by the hand of his prophets.
Psalm 77:1
I cry out with my voice to God; with my voice to God, that he may hear me.
Psalm 78:1
Listen, O my people, to my teaching. Incline your ears to the words of my mouth.
Psalm 79:1
O God, [the] nations have entered your inheritance; they have defiled your holy temple; they have reduced Jerusalem to ruins.