Can you summarize the following document?
        
  這篇聖詠可分為四節 (S = 1, 2, 3, 4),每一節再分為三個曲調 (T = A, B, C),其中每個曲調唱兩次 (重複 I = α, β)。

  以下是以文言文所翻譯的此篇聖詠:  潔貞頌 聖奈科塔裡 作 疊句:慶兮 弗娉之新儷

  

  O Virgin Pure "Refrain:" Rejoice, O Unwedded Bride!  Rejoice, O Unwedded Bride!  Rejoice, O Unwedded Bride!  Rejoice, O Unwedded Bride!  Rejoice, O Unwedded Bride!  (Source and translation: Holy Nativity Convent, Saxonburg, Pennsylvania, U.S.A.) http://www.serfes.org/spiritual/november1999.htm

  O Pure Virgin  (A) O pure and virgin Lady,/ O spotless Theotokos: Rejoice, O unwedded Bride!  O Virgin Queen and Mother/ O dewy fleece most sacred:/ Rejoice, O unwedded Bride!  (B) O height transcending heaven above/ O beam of light most radiant:/ Rejoice, O unwedded Bride!  O joy of chaste and virgin maids/ surpassing all the angels:/ Rejoice, O unwedded Bride!  (C) O brilliant light of heaven above/ most clear and most radiant: / Rejoice, O unwedded Bride!  Commanding chief of heavenly hosts/ O holiest of holies/ Rejoice, O unwedded Bride! (A) O ever-virgin Mary/ O Mistress of creation:/ Rejoice, O unwedded Bride!  O Bride all-pure and spotless/ O Lady all-holy:/ Rejoice, O unwedded Bride!  (B) O holy Mary, Bride and Queen/ and cause of our rejoicing/ Rejoice, O unwedded Bride!  O Maiden Queen most hon'rable/ O Mother most holy/ Rejoice, O unwedded Bride!  (C) More precious than the cherubim/ more glorious than the seraphim:/ Rejoice, O unwedded Bride!  Surpassing principalities/ dominions, thrones and powers:/ Rejoice, O unwedded Bride! (A) Rejoice, song of the cherubim/ Rejoice, hymn of the angels:/ Rejoice, O unwedded Bride!  Rejoice, ode of the seraphim/ and joy of the archangels:/ Rejoice, O unwedded Bride!  (B) Rejoice, O peace; Rejoice, O joy/ and haven of salvation: Rejoice, O unwedded Bride!  O bridal chamber of the Word/ unfading, fragrant blossom:/ Rejoice, O unwedded Bride!  (C) Rejoice, delight of paradise/ Rejoice, life everlasting:/ Rejoice, O unwedded Bride!  Rejoice, O holy tree of life/ and fount of immortality:/ Rejoice, O unwedded Bride! (A) I supplicate thee, Lady/ I humbly call upon thee:/ Rejoice, O unwedded Bride!  O Queen of all, I beg thee/ to grant me thy favor:/ Rejoice, O unwedded Bride!  (B) O spotless and most honored maid/ O Lady all holy:/ Rejoice, O unwedded Bride!  I call upon thee fervently/ thou temple most holy:/ Rejoice, O unwedded Bride!  (C) O thou my help, deliver me/ from harm and all adversity:/ Rejoice, O unwedded Bride!  And by thy prayers show me to be/ an heir of immortality:/ Rejoice, O unwedded Bride! Translation Bishop BASIL
潔貞頌 (希臘語:Ἁγνὴ Παρθένε;羅馬化:Agni Parthene;英語:O Virgin Pure) 是埃伊納的奈科塔裡所作的一首獻給聖母的非禮儀式讚美詩,來自《獻予誕神女的讚美詩之書》("Theotokarion")。