A Psalm of Penitence; Psalm 51
Make a simple apology now.
A Psalm of Remembrance; Psalm 136
We need to remind ourselves of all that God has done in our lives.
A Psalm of Anger; Psalm 140
When we are wronged, we should take our anger directly to God.
A Psalm of Lament; Psalm 44
For His sake we suffer.
A Psalm of Joy; Psalm 16
Praise God in good times too.