Psalms 96:2

“Sing unto the Lord, etc.] Which is repeated to show the vehemency of the speaker, and the importance of the work exhorted to: this being the third time that the word Lord or Jehovah is mentioned, have led some to think of the trinity of Persons, Father, Son, and Spirit, the one only Jehovah, to whom the new song of salvation is to be sung, because of their joyful concern in it; the Father has contrived it, the Son has effected it, and the Spirit applies it: bless his name: speak well of him, whose name is excellent and glorious, sweet and precious; even every name of his, Jesus, Immanuel, etc. proclaim him the ever blessed God, as he is, as comes before with the blessings of goodness, and…”

“Sing unto the Lord, bless his name - This verse is substantially the same as 1 Chronicles 16:23; “Sing unto the Lord, all the earth; show forth from day to day his salvation.” Show forth his salvation - His interposition; the fact that he has saved or delivered us. This may have referred originally in particular to what he had done to save the people in time of danger, but the language is such also as to express salvation in a higher sense - salvation from sin and death. As such it may be employed to express what God has done for mankind - for all people, Jews and Gentiles - in providing a way of salvation, and making it possible that they should reach heaven. For this all people have…”

“bless: Psa 72:17, Psa 72:18, Psa 103:1, Psa 103:2, Psa 103:20-22, Psa 104:1, Psa 145:1, Psa 145:10; Ch1 29:20; Eph 1:3; Rev 5:13 show: Psa 40:10, Psa 71:15; Isa 40:9, Isa 52:7, Isa 52:8; Mar 16:15; Act 13:26; Rom 10:14-18 Psalms 96:3”