Chronicles I 25:1

1 And king David and the captains of the host appointed to their services the sons of Asaph, and of Aeman, and of Idithun, prophesiers with harps, and lutes, and cymbals: and their number was according to their polls serving in their ministrations.

Chronicles I 25:1 Meaning and Commentary

1 Chronicles 25:1

Moreover, David and the captains of the host separated to
the service
Of singing the praises of God; this was done by the princes of the people, and the chief of the priests, who were gathered together, and before whom the lots were cast, both for priests and Levites, and now here for the singers, see ( 1 Chronicles 22:2 ) ( 24:6 ) and those that were separated were

of the sons of Asaph, and of Heman, and of Jeduthun;
or Ethan, the three precentors, or chief of the singers:

who should prophesy with harps, with psalteries, and with cymbals;
sing psalms, hymns, and spiritual songs, endited by the Holy Spirit of God; which contained in them prophecies concerning things to come, particularly relating to the Messiah, of which there are many in the book of Psalms; and to the tunes of these they played on the above instruments of music:

and the number of the workmen, according to their service, was;
as follows.

Chronicles I 25:1 In-Context

1 And king David and the captains of the host appointed to their services the sons of Asaph, and of Aeman, and of Idithun, prophesiers with harps, and lutes, and cymbals: and their number was according to their polls serving in their ministrations.
2 The sons of Asaph; Sacchur, Joseph, and Nathanias, and Erael: the sons of Asaph next the king.
3 To Idithun the sons of Idithun, Godolias, and Suri, and Iseas, and Asabias, and Matthathias, six after their father Idithun, sounding loudly on the harp thanksgiving and praise to the Lord.
4 To Aeman the sons of Aeman, Bukias, and Matthanias, and Oziel, and Subael, and Jerimoth, and Ananias, and Anan, and Heliatha, and Godollathi, and Rometthiezer, and Jesbasaca, and Mallithi, and Otheri, and Meazoth.
5 All these the sons of Aeman the king's chief player in the praises of God, to lift up the horn. And God gave to Aeman fourteen sons, and three daughters.

The Brenton translation of the Septuagint is in the public domain.