Unless you believe in god it is not necessary to praise him, even if you believe in him you don't necessarily have to parise him unless you seriously believe he is worthy of that praise.
You need to glorify the god by referring his deeds, based on the authentic holy book. It does not demand some special skills to praise, what you need to have, is the faith on what you are saying...
In the the Te Deum, we sing the praises of God for being God. This is an ancient hymn typically sung at Matins (Office of Readings) on Feasts and Solemnities. You will find the text of the hymn in...