The Levite leader Kenaniah was in charge of the singing, because he was very good at it.
David told the leaders of the Levites to appoint their brothers as singers to play their lyres, harps, and cymbals and to sing happy songs.
Mattithiah, Eliphelehu, Mikneiah, Obed-Edom, Jeiel, and Azaziah played the harps.
Berekiah and Elkanah were two of the guards for the Ark of the Agreement.
All the Levites who carried the Ark, and Kenaniah, the man in charge of the singing, and all the singers wore robes of fine linen. David also wore a robe of fine linen and a holy vest of fine linen.