Each of the Psalms in today's reading is short. Psalm 121 is directed to the reader, not God, and encourages faith in God. There is a real mix of lamentation and praise. So, Psalm 123, 129, and 130 talk about oppression and suffering. Psalm 124, on the other hand, claims that but for God's intervention, we'd all be doomed. And then Psalm 128 is almost straight up prosperity gospel about how great God is to the righteous.
Psalm 130 is my favorite because of its hopefulness.
A song of ascents.
1 Out of the depths I cry to you, Lord;
2 Lord, hear my voice.
Let your ears be attentive
to my cry for mercy.
3 If you, Lord, kept a record of sins,
Lord, who could stand?
4 But with you there is forgiveness,
so that we can, with reverence, serve you.
5 I wait for the Lord, my whole being waits,
and in his word I put my hope.
6 I wait for the Lord
more than watchmen wait for the morning,
more than watchmen wait for the morning.
7 Israel, put your hope in the Lord,
for with the Lord is unfailing love
and with him is full redemption.
8 He himself will redeem Israel
from all their sins.