what those voices Hark! holy mean

E83 T83
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th’ in rejoices,
  Loudest Hark! the hallelujahs those what holy sounding rise. skies?
Lo! host angelic mean voices
  Sweetly
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the high! in Listen joy:
“Glory the in most hymns highest, wondrous be they to of chant God story
  Which to glory!
  Glory
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found;
Souls heaven,
  Reaching far from man is our “Peace sins and forgiven,
  Loud earth, golden harps good-will as redeemed on shall sound.
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and your born! “Christ is the Priest, Anointed!
  Heaven appointed
  For sing;
Oh, whom and earth His great glory King! God receive Prophet,
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Him
  Glory sing Him,
  Learn and high!” before day most to name be taste joy,
Till God His to one adore His ye “Hasten, mortals,
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earth. us birth;
Spread wondrous story
  Of glory,
  Till cover great the Let the the of brightness our His Redeemer’s it learn all