Jah — Is an abbreviation of the name Jehovah, which the Heathens pronounced Jao. Before him — Before the ark where he is present, as David is said to dance before the Lord, upon this occasion, 2 Samuel 6:14.
Related Commentaries of Psalms 68:4
Psalms 68:4
4 Sing unto God, sing praises to his name: extol him that rideth upon the heavens by his name JAH, and rejoice before him.