Psalm 144: 1 Blessed be the Lord my Rock, Who trains my hands for war, And my fingers for battle.
In spiritual warfare, we know that our weapons are not “carnal” (fleshly), rather they are mighty for the pulling down of strongholds. Worship includes giving adoration and praise to the Lord and for His mighty acts, but it also is an effective weapon in warring.
I believe that’s what David was speaking of in this verse, as we see later he determines to “sing a new song” to the Lord on the harp.
Worship invites and releases the presence of God into any situation that may come to overwhelm us. His presence pushes back forces of darkness, all the while encouraging us, establishing our heart and equipping our minds.
Wage war with His presence released through your worship. Even if you don’t know how to play a harp.