Treasury of Scripture Knowledge

Summary

So he left there before the ark of the covenant of the LORD Asaph and his brethren, to minister before the ark continually, as every day's work required:

Bible References

Before the ark

1 Chronicles 16:4
And he appointed certain of the Levites to minister before the ark of Jehovah, and to record, and to thank and praise Jehovah, the God of Israel:
1 Chronicles 15:17
And the Levites chose Heman the son of Joel, and of his brothers, Asaph the son of Berechiah. And from the sons of Merari their brothers, was Ethan the son of Kushaiah.
1 Chronicles 25:1
And David and the army commanders separated to the service those of the sons of Asaph, and of Heman, and of Jeduthun, who were prophets with lyres and with cymbals. And the number of the workmen according to their service was:

As every

2 Chronicles 8:14
And according to the order of David his father, he appointed the divisions of the priests to their service, and the Levites to their charges, to praise and minister before the priests, as the duty of every day required; and the gatekeepers by their divisions at every gate; for so David the man of God had commanded.
Ezra 3:4
And they kept the feast of tabernacles, as it is written, and offered the daily burnt offerings by number, according to the custom, as the duty of every day required.