1 Chronicles 16:37

So David left Asaph and his brothers there before the ark of the covenant of the Lord to minister regularly before the ark as each day required ,

David left Asaph and his associates before the ark of the covenant of the Lord to minister there regularly, according to each day`s requirements.

So he left there before the ark of the covenant of the Lord Asaph and his brethren, to minister before the ark continually, as every day's work required :