1 Chronicles 15:16

16David also commanded the chiefs of the Levites to appoint their brothers as the singers who should play loudly on amusical instruments, on harps and lyres and cymbals, to raise sounds of joy.

1 Chronicles 23:2-6

2David
Hebrew He
assembled all the leaders of Israel and the priests and the Levites.
3The Levites, cthirty years old and upward, were numbered, and dthe total was e38,000 men. 4Twenty-four thousand of these,” David said,
Hebrew lacks  David said
g“shall have charge of the work in the house of the Lord, 6,000 shall be hofficers and judges,
54,000 gatekeepers, and 4,000 shall offer praises to the Lord with the instruments ithat I have made for praise.” 6 jAnd David organized them in divisions kcorresponding to the sons of Levi: Gershon, Kohath, and Merari.

1 Chronicles 24:3

3With the help of lZadok of the sons of Eleazar, and Ahimelech of the sons of Ithamar, David organized them according to the appointed duties in their service.
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