1 Chronicles 25:6

6 All of his sons played cymbals and harps under their father's direction, to accompany the Temple worship. And Asaph, Jeduthun, and Heman were under orders 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 The fourteen sons of Heman: Bukkiah, Mattaniah, Uzziel, Shebuel, Jerimoth, Hananiah, Hanani, Eliathah, Giddalti, Romamti Ezer, Joshbekashah, Mallothi, Hothir, and Mahazioth.

5 God gave to Heman, the king's prophet, these fourteen sons and also three daughters, as he had promised, in order to give power to Heman.

6 All of his sons played cymbals and harps under their father's direction, to accompany the Temple worship. And Asaph, Jeduthun, and Heman were under orders from the king.

7 All these twenty-four men were experts; and their fellow Levites were trained musicians. There were 288 men in all.

8 To determine the assignment of duties they all drew lots, whether they were young or old, experts or beginners.