1 Chronicles 16:37
And he will leave there before the ark of the covenant of Jehovah, to Asaph and to his brethren, to serve before the ark always, for the word of a day in its day.
2 Chronicles 8:14
And he will set up according to the judgment of David his father the divisions of the priests for their service, and the Levites for their watches, to praise and to serve before the priests for the word of a day in its day; and the gate-keepers in their divisions, to gate and gate: for thus the command of David the man of God.
Ezra 3:4
And they will do the festival of tents as written, and the burnt-offerings of a day in a day, in number according to judgment, the word of a day in its day.
1 Chronicles 15:17-24
And the Levites wilt set up He-man son of Joel; and from his brethren, Asaph son of Berechiah; and from the sons of Merari their brethren, Ethan son of Kushaiah;
1 Chronicles 16:4-6
And he will give before the ark of Jehovah from the Levites serving, and for keeping in remembrance, and to confess and to praise to Jehovah God of Israel.
1 Chronicles 25:1-6
And David will separate, and the chiefs of the army, for service to the sons of Asaph and Heman and Jeduthun, prophesying with harps, with lyres and with cymbals: and there will be their number of men of work for their service.