Psalm 99:6 in the World English Bible
Moses and Aaron were among his priests, Samuel was among those who call on his name. They called on the LORD, and he answered them.
Context
5 Exalt ye the LORD our God, and worship at his footstool; for he is holy.
6 Moses and Aaron among his priests, and Samuel among them that call upon his name; they called upon the LORD, and he answered them.
7 He spake unto them in the cloudy pillar: they kept his testimonies, and the ordinance that he gave them.