NET
46 For long ago, in the days of David and Asaph, there had been directors for the singers and for the songs of praise and thanks to God.
Darby
46 For of old, in the days of David and Asaph, there were the chiefs of the singers, and songs of praise and thanksgivings to God.
KJV
46 For in the days of David and Asaph of old [there were] chief of the singers, and songs of praise and thanksgiving unto God.