Psalm 130
There are many psalms that will work well with your sermon. Psalm 130 is one of them. It encourages Israel to look to the Lord for salvation and to wait for his final deliverance. The same idea of waiting is present in Jude. This would be a good song to sing either before or after your sermon.
20 Pour vous, bien-aimés, vous édifiant vous-mêmes sur votre très sainte foi, et priant par le Saint-Esprit,