Numbers 8 22
Afterwards the Levites came to perform their service at the Tent of Meeting under the direction of Aaron and his sons. They followed all the instructions regarding the Levites that the Lord had given to Moses.
Compare with other 3 random translations
YLT Numbers 8:22and afterwards have the Levites gone in to do their service in the tent of meeting, before Aaron and before his sons; as Jehovah hath commanded Moses concerning the Levites, so they have done to them.
AMP Numbers 8:22And after that the Levites went in to do their service in the Tent of Meeting with the attendance of Aaron and his sons; as the Lord had commanded Moses concerning the Levites, so did they to them.
NAS Numbers 8:22Then after that the Levites went in to perform their service in the tent of meeting before Aaron and his sons; just as the Lord had commanded Moses concerning the Levites, so they did to them. Retirement for the Levites