God has gone up with a shout, the LORD with the sound of a trumpet.
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Augustine of Hippo
6. "God is gone up with jubilation" (ver. 5). Even He our God, the Lord Christ, is gone up with jubilation; "the Lord with the sound of a trumpet." "Is gone up:" whither, save where we know? Whither the Jews followed Him not, even with their eyes. For exalted on the Cross they mocked Him, ascending into Heaven they did not ,see Him. "God hath gone up with jubilation. What is jubilation, but admiration of joy which cannot be expressed in words? As the disciples in joy admired, seeing Him go into Heaven, whom they had mourned dead; truly for the joy, words sufficed not: remained to jubilate what none could express. There was also the voice of the trumpet, the voice of Angels. For it is said, "Lift up thy voice like a trumpet." Angels preached the ascension of the Lord: they saw the Disciples, their Lord ascending, tarrying admiring, confounded, nothing speaking, but in heart jubilant: and now was the sound of the trumpet in the clear voice of the Angels, "Ye men of Galilee, why stand ye ...