Sing unto the Lord,.... Psalms, hymns, and spiritual songs, vocally and together, as Gospel churches, to the glory of God; or "sing the Lord" , let him be the subject matter of the song, as in Isa 12:2 sing how great and good he is; sing what he is in himself, and what he is to others:for he hath done excellent things; he hath wrought out an excellent salvation, which excels all others, being of a spiritual nature, complete and everlasting: it is emphatically a great one, in which God is glorified in all his perfections, and which issues in the eternal glory and happiness of his people.
He has brought in an excellent righteousness, a righteousness that excels any righteousness of the creature, men or angels; it being the righteousness of God, a perfect, pure, and spotless one, which serves for many, even all his spiritual seed, and is everlasting: he has offered up an excellent sacrifice, a sacrifice that excels all that were offered up under the law; in the matter, which is himself; in the use and efficacy of it, to atone for sin, and take it away; in the continuance of that efficacy, and in its acceptableness unto God: and he has obtained an excellent victory over all his and his people's enemies, sin, Satan, the world, and death, and made them sharers in his conquests; reference seems to be had to Ex 15:1:this [is] known in all the earth; that such a salvation is finished; such a righteousness is brought in; that peace, pardon, and atonement, are procured, and all enemies are conquered; for the Gospel publishing all this has been sent into all the world, and will be more fully preached throughout it in the latter day.