§ 02 · King James Bible
Numbers 8:22
And after that went the Levites in to do their service in the tabernacle of the congregation before Aaron, and before his sons: as the LORD had commanded Moses concerning the Levites, so did they unto them.
Simple English
Then, the Levites entered to perform their duties in the meeting place for the people, serving under Aaron and his sons, just as the Lord instructed Moses about the Levites; they followed these instructions closely.
* Work in progress - there may be occasional inaccuracies