Psalms 99:6

6 Moses and Aaron were among his priests, Samuel also was among those who called on his name. They cried to the Lord, and he answered them.

Psalms 99:6 In-Context

4 Mighty King, lover of justice, you have established equity; you have executed justice and righteousness in Jacob.
5 Extol the Lord our God; worship at his footstool. Holy is he!
6 Moses and Aaron were among his priests, Samuel also was among those who called on his name. They cried to the Lord, and he answered them.
7 He spoke to them in the pillar of cloud; they kept his decrees, and the statutes that he gave them.
8 O Lord our God, you answered them; you were a forgiving God to them, but an avenger of their wrongdoings.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.