JAH. See App-4. Compare Exodus 15:2. The Divine Titles enrich this Psalm: Elohim occurs twenty-six times, because the Psalm has to do with the scattering of His enemies. The first occurrence of JAH is in Exodus 15:2, and in the Psalms this first occurrence is in the second, or Exodus book.
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.