1.

Behold, bless ye the LORD, all ye servants of the LORD, which by night stand in the house of the LORD.

Title. A Song of degrees. Same as 120. See App-67 .
Behold. See note on Psalms 133:1 .
the LORD. Hebrew. Jehovah. App-4 .
servants. Limited and denned in next clause, as in Psalms 135:2 .
stand. The night-watchmen. The reference is to 2 Chronicles 29:11 ; 2 Chronicles 30:16 ; 2 Chronicles 31:2 . There were no seats in the Tabernacle or Temple. Compare Hebrews 10:11 .
the house of the LORD. The reference is to Hezekiah's interest in the Temple. See App-67 .

2.

Lift up your hands in the sanctuary, and bless the LORD.

3.

The LORD that made heaven and earth bless thee out of Zion.

heaven and earth. The reference is to 2 Chronicles 32:19 . 2 Kings 19:15 .Isaiah 37:16 . See App-67 .
Bless thee. The reference may be to 2Ch 30:27 ; 2 Chronicles 31:10 . This is the last of the fifteen Songs of THE Degrees, which are referred to in Isaiah 38:20 . See App-67 .
out of Zion . See note on "there", Psalms 133:3 .