Luke 1:5

There was in the days of Herod, the king of Judea, a certain priest named Zacharias, of the course of Abiah: and his wife of the daughters of Aaron, and her name Elisabeth.

Luke 1:8

And it came to pass, as he discharged his priestly office in the order of his periodical ministration before God,

Acts 13:22

And removing him, he raised up unto them David to be king; respecting whom also he spake testifying, "I have found David the son of Jesse, a man after my own heart, who shall perform all my intentions."

Acts 13:36

For David indeed, after having served his own generation by the will of God, fell asleep, and was placed with his fathers, and saw corruption.

Treasury of Scripture Knowledge

Summary

And he appointed, according to the order of David his father, the courses 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: the porters also by their courses at every gate: for so had David the man of God commanded.

The courses

So had david the man of god commanded

Bible References

The courses

Luke 1:5
There was in the days of Herod, the king of Judea, a certain priest named Zacharias, of the course of Abiah: and his wife of the daughters of Aaron, and her name Elisabeth.

So had david the man of god commanded

Acts 13:22
And removing him, he raised up unto them David to be king; respecting whom also he spake testifying, "I have found David the son of Jesse, a man after my own heart, who shall perform all my intentions."