Let the high praises, &c.— That is, "Let them not, however, lay aside all thoughts of warlike preparations, and be drowned in the ease of a sluggish peace; but let them, at the same time that they are singing victorious hymns to the honour of God, be in readiness to oppose, and gain fresh victories over the heathen, who are still his and their enemies." Mudge renders this verse in the imperfect tense: The exaltation of God was in their mouth, &c. Jehoshaphat marched out to meet the enemy, with the Levites singing psalms before him. See the 8th verse verified, Judges 1:7.
Related Commentaries of Psalms 149:6
Psalms 149:6
6 Let the high praises of God be in their mouth,b and a twoedged sword in their hand;