What does 1 Chronicles 15:27 mean?

And David was clothed with a robe of fine linen, and all the Levites that bare the ark, and the singers, and Chenaniah the master of the song with the singers: and David had upon him an ephod of linen.

And David was clothed with a robe of fine linen, and all the Levites that bare the ark, and the singers, and Chenaniah the master of the song with the singers: David also had upon him an ephod of linen.

And David was clothed with a robe of fine linen, and all the Levites that bare the ark, and the singers, and Chenaniah the master of the song with the singers: and David had upon him an ephod of linen.

And David was clothed with a robe of fair linen, as were all the Levites who took up the ark, and those who made melody, and Chenaniah the master of those who made melody; and David had on a linen ephod;

And David is wrapped in an upper robe of fine linen, and all the Levites who are bearing the ark, and the singers, and Chenaniah head of the burden of the singers; and on David <FI>is<Fi> an Ephod of linen.

And David was clothed with a robe of fine linen, and all the Levites that carried the ark, and the singing men, and Chonenias the ruler of the prophecy among the singers: and David also had on him an ephod of linen.

And David was clothed with a robe of byssus, and all the Levites that bore the ark, and the singers, and Chenaniah chief of the music of the singers; and David had upon him a linen ephod.