Ezra
1 Chronicles 6:48BSB·traditional attribution

Their fellow Levites were assigned to every kind of service of the tabernacle, the house of God.

Matthew Henry Presbyterian @wholebiblehenry

When the Levites were first ordained in the wilderness much of the work then appointed them lay in carrying and taking care of the tabernacle and the utensils of it, while they were in their march through the wilderness. In David's time their number was increased; and, though the greater part of them was dispersed all the nation over, to teach the people the good...

Commenting on 1 Chronicles 6:31-53

Jamieson-Fausset-Brown Reformed @jfbcommentary

Their brethren also the Levites were appointed unto all manner of service--Those of them who were endowed with musical tastes and talents were employed in various other departments of the temple service.

Geneva Bible Notes Reformed @genevanotes

Their brethren also the Levites [were] appointed unto all manner of service of the tabernacle of the house of God. (i) The Levites are called the singers brothers because they came from the same stock. (k) Read .