Chapter 75 in Tehillim is a prayer of the Jews in the most difficult parts of the exile. In this chapter the Psalmist shows us how to stay faithful to G-d in the exile. Chapter 76 in Tehillim is about the redemption of the Jews. Is this chapter about the redemption in the time of Chizkiyahu? Or is it about the future redemption after the war of Gog? The Psalmist also shows us the optimum way that the world should react to this great event. Chapter 77 in Tehillim is a prayer of the Jews in exile. In this chapter the Psalmist shows us how to use Jewish History as a tool to ask G-d to redeem us.