These were the numbers of the Levites by their families: by Gershon the Gershonite family, by Kohath the Kohathite family, by Merari the Merarite family.
They ministered with song in front of the Tabernacle of the Tent of Meeting, until Solomon built the House of Adonai in Jerusalem. They carried out their avodah according to their regulations.
David ordered the leaders of the Levites to appoint their kinsmen, the singers, with musical instruments, harps, lyres, and cymbals, to joyfully make their voices heard.
They brought the Ark of God and set it in the middle of the tent that David had pitched for it. Then they offered burnt offerings and peace offerings before God.
Moreover, David and the commanders of the army, set apart for avodah the sons of Asaph, Heman, and Jeduthun who prophesied with lyres, harps and cymbals. The list of those who performed this work according to their service was: