what holy voices mean those Hark!

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