Psalms 135:20
King James Version
“Bless the LORD, O house of Levi: ye that fear the LORD, bless the LORD.”
Context
17They have ears, but they hear not; neither is there breath in their mouths.
18They that make them are like unto them: every one that trusteth in them.
19Bless the LORD, O house of Israel: bless the LORD, O house of Aaron:
20Bless the LORD, O house of Levi: ye that fear the LORD, bless the LORD.
21Blessed be the LORD out of Zion, which dwelleth at Jerusalem. Praise ye the LORD.