1 Chronicles 23:5-7

Amplified Bible, Classic Edition

⁵ And, said David, 4,000 shall be gatekeepers and 4,000 are to praise the Lord with the instruments which I made for praise.

⁶ And David organized them in sections according to the sons of Levi: Gershon, Kohath, and Merari.

⁷ Of the Gershonites: Ladan (Libni) and Shimei.