In Jewish tradition Psalm 136  is called the "Great Hallel" which means "Great Psalm of Praise."

In the second part of Psalm 135 there is particular emphasis on God's greatness over all idols.

This psalm is a call to praise the Lord for His greatness over all other gods, His rule over all creation, and His deliverance of His people.

Psalm 134 is the last of the 15 psalms that are given the title of "a song of ascents." It is a call to praise the Lord.

In this short, but extremely important, psalm we find the theme of the beauty and importance of unity for God's people.

In the second half of Psalm 132 the psalm writer is reflecting upon God's oath to King David.

The write of  Psalm 132  is reflecting upon King David's longing to have a suitable place for the worship of God.

Charles Spurgeon  said of Psalm 131, "It is a short ladder if we count the words, but yet it rises to a great heighth—reaching from deep humility to fixed confidence." 

In Psalm 130 the psalmist is crying out to God in the midst of suffering. 

Psalm 129 is recalling the sufferings of Israel and also calling for judgment upon those who hate God's people.