Webster(i)
3 Now the Levites were numbered from the age of thirty years and upward: and their number by their polls, man by man, was thirty and eight thousand.
4 Of which, twenty and four thousand were to oversee the work of the house of the LORD; and six thousand were officers and judges:
5 Moreover, four thousand were porters; and four thousand praised the LORD with the instruments which I made, said David, to praise with them.