1 Chronicles 6:31-33

And these are they whom David set over the service of song in the house of the LORD, after that the ark had rest. And they ministered before the dwelling place of the tabernacle of the congregation with singing, until Solomon had built the house of the LORD in Jerusalem: and then they waited on their office according to their order. And these are they that waited with their children. Of the sons of the Kohathites: Heman a singer, the son of Joel, the son of Shemuel