Census and Classification of the Levites

1 Chronicles 23:3-5

and the Levites are numbered from a son of thirty years and upward, and their number, by their polls, is of mighty men thirty and eight thousand.

Of these to preside over the work of the house of Jehovah are twenty and four thousand, and officers and judges six thousand,

and four thousand gatekeepers, and four thousand giving praise to Jehovah, `with instruments that I made for praising,' saith David.