4. Of these, twenty and four thousand were to oversee the work of the house of the LORD; and six thousand were officers and judges:
5. and four thousand were doorkeepers; and four thousand praised the LORD with the instruments which I made, said David, to praise therewith.
6. And David divided them into courses according to the sons of Levi; Gershon, Kohath, and Merari.
7. Of the Gershonites; Ladan and Shimei.