These are the men David put in charge of music in the Lord’s sanctuary, ¹  after the ark was placed there.

When they arrived at the threshing floor of Kidon, Uzzah reached out his hand to take hold of ¹  the ark, because the oxen stumbled.

The Lord was so furious with Uzzah, ¹  he killed him, because he reached out his hand and touched the ark. ²  He died right there before God. ³ 

So David did not move the ark to the City of David; ¹  he left it in the house of Obed-Edom the Gittite.

David was wrapped in a linen robe, as were all the Levites carrying the ark, the musicians, and Kenaniah the supervisor of transport and the musicians; ¹  David also wore a linen ephod. ² 

David ¹  left Asaph and his colleagues there before the ark of the Lord’s covenant to serve before the ark regularly and fulfill each day’s requirements, ²