1 Chronicles 16:37
And he left there, before the ark of the covenant of Jehovah, Asaph and his brethren, to do the service before the ark continually, as every day's duty required;
2 Chronicles 8:14
And he appointed, according to the ordinance of David his father, the divisions of the priests for their service, and the Levites for their charges, to praise and serve before the priests, as the duty of every day required; and the doorkeepers by their divisions at every gate: for such was the commandment of David the man of God;
Ezra 3:4
And they held the feast of tabernacles as it is written, and offered daily burnt-offerings by number, according to the ordinance, as the duty of every day required;
1 Chronicles 15:17-24
And the Levites appointed Heman the son of Joel; and of his brethren, Asaph the son of Berechiah; and of the sons of Merari their brethren, Ethan the son of Kushaiah;
1 Chronicles 16:4-6
And he appointed certain of the Levites to do the service before the ark of Jehovah, and to celebrate, and to thank and praise Jehovah the God of Israel:
1 Chronicles 25:1-6
And David and the captains of the host separated for the service those of the sons of Asaph and of Heman and of Jeduthun who were to prophesy with harps and lutes and cymbals; and the number of the men employed according to their service was: