1 Chronicles 25:6

6 Under their father's supervision they were in charge of leading the singing and providing musical accompaniment in the work of worship in the sanctuary of God (Asaph, Jeduthun, and Heman took their orders directly from the king).

1 Chronicles 25:6 Meaning and Commentary

1 Chronicles 25:6

All these were under the hands of their father, for song in the
house of the Lord
Instructed and directed by him in the performance of the service in the temple: with cymbals, psalteries, and harps, for the service of the house of
God;
which were the three principal instruments of music used in the temple service: according to the king's order, to Asaph, Jeduthun, and Heman;
who ordered and directed them what to sing, what tunes to make use of, and what instruments to play upon to those tunes.

1 Chronicles 25:6 In-Context

4 From the family of Heman: Bukkiah, Mattaniah, Uzziel, Shubael, Jerimoth, Hananiah, Hanani, Eliathah, Giddalti, Romamti-Ezer, Joshbekashah, Mallothi, Hothir, and Mahazioth.

5 These were the sons of Heman the king's seer; they supported and assisted him in his divinely appointed work. God gave Heman fourteen sons and three daughters.

6 Under their father's supervision they were in charge of leading the singing and providing musical accompaniment in the work of worship in the sanctuary of God (Asaph, Jeduthun, and Heman took their orders directly from the king).

7 They were well-trained in the sacred music, all of them masters. There were 288 of them.

8 They drew names at random to see who would do what. Nobody, whether young or old, teacher or student, was given preference or advantage over another.