Census and Classification of the Levites

1 Chronicles 23:3-5

And the Leuites were numbred from ye age of thirtie yeere and aboue, and their nomber according to their summe was eight and thirtie thousand men.

Of these foure and twentie thousande were set to aduance the worke of the house of the Lord, and sixe thousand were ouerseers and iudges.

And foure thousand were porters, and foure thousande praised the Lord with instruments which he made to praise the Lord.