what mean those Hark! voices holy

E83 T83
1
the skies?
Lo! th’ holy rise. voices
  Sweetly hallelujahs sounding rejoices,
  Loudest angelic mean those host in what Hark!
2
joy:
“Glory story
  Which high! the to Listen wondrous to be the most in in glory!
  Glory chant God of highest, hymns they
3
our as sound. on heaven,
  Reaching from and harps man shall “Peace redeemed good-will golden sins far forgiven,
  Loud earth, found;
Souls is
4
“Christ Priest, receive the great sing;
Oh, born! your and whom King! glory Prophet, God and earth His is appointed
  For Anointed!
  Heaven
5
day and high!” taste name before God Him
  Glory His to most His ye “Hasten, Him,
  Learn joy,
Till adore one to be sing mortals,
6
Let learn glory,
  Till it all us great the birth;
Spread of Redeemer’s brightness story
  Of His cover the the our earth. wondrous