And these are they whom David set over the service of song in the house of the LORD, after that the ark had rest. After that the ark had rest - The Targum says, "These are they whom David set over the service of the singing, in the house of the sanctuary, or tabernacle of the Lord, at the time in which the ark was brought into it;" that is, when it was brought from the house of Obed-edom.
Related Commentaries of 1 Chronicles 6:31
1 Chronicles 6:31
31 And these are they whom David set over the service of song in the house of the LORD, after that the ark had rest.