Luke 1:5

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

Luke 1:8

And while he executed the priest's office before God,

Acts 13:22

And having removed him, he raised up to them David for their king, to whom also bearing witness he said, I have found David, the son of Jesse, a man after mine own heart, who will do all my will.

Acts 13:36

Now David, having served the will of God in his generation, fell asleep, and was added to 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 Abia: and his wife was of the daughters of Aaron, and her name was Elisabeth.

So had david the man of god commanded

Acts 13:22
And having removed him, he raised up to them David for their king, to whom also bearing witness he said, I have found David, the son of Jesse, a man after mine own heart, who will do all my will.