I will praise thee, O Lord, among the people - So great a deliverance as he here hoped for, would make it proper that he should celebrate the praise of God in the most public manner; that he should make his goodness known as far as possible among the nations. See the notes at Psalms 18:49.
Related Commentaries of Psalms 57:9
Psalms 57:9
9 I will praise thee, O Lord, among the people: I will sing unto thee among the nations.