But you are a chosen generation, a royal priesthood, a holy nation, His own special people, that you may proclaim the praises of Him who called you out of darkness into His marvelous light; –– 1 Peter 2:9 (NKJV)
Praise to God is a powerful tool we often underestimate.
Simply singing or speaking our love and honor of our God, can bring us into His presence as nothing else does. It is also a formidable weapon and an impenetrable source of protection.
Check out this article for Old and New Testament examples of the power of praise.