2 Tawarikh 35:15

35:15 The musicians, the descendants of Asaph, manned their posts, as prescribed by David, Asaph, Heman, and Jeduthun the king’s prophet. ¹  The guards at the various gates did not need to leave their posts, for their fellow Levites made preparations for them.

Nehemia 7:1

7:1 When the wall had been rebuilt and I had positioned the doors, and the gatekeepers, the singers, and the Levites had been appointed,

Yehezkiel 44:11

44:11 Yet they will be ministers in my sanctuary, having oversight at the gates of the temple, and serving the temple. They will slaughter the burnt offerings and the sacrifices for the people, and they will stand before them to minister to them.

[35:15]  ¹ tn Or “seer.”