O aggelos eboa is a song from the Byzantine empire. Singed in 10th century, it's a chant. For the people which don't know what means a chant, it's a song from church. It was also singed in 1100 AD, year from 10th to 11th century. It was the hymn of Byzantine empire, today named Turkey after the Fall Of Constantinopole from 1453, reached by sultan Mehmed II (aka Mehmed the conqueror) in english ,,O aggelos eboa" means the angel cried, in old greek language (8th century BC-Middle ages)
Lyrics original and english: Original language: O Ángelos evóa ti Kecharitomeni, Agní Parthéne chaíre kai pálin eró chaíre, o sos Yiós anésti triímeros ek táfou. Fotízou, fotízou i néa lerousalím. i gar dóxa Kyríou epí se anéteile. Chóreve nyn kai angálou Sión, sy de Agní térpou Thetóke en ti Egérsei tou tókou sou ------------------------------------------------------------------------- English: The angel cried to the Lady Full of Grace: Rejoice, O Pure Virgin! Again I say: Rejoice! Your Son is risen from His three days in the tomb! With Himself He has raised all the dead! Rejoice, all you people! Shine! Shine! O New Jerusalem! The Glory of the Lord has shone on you! Exalt now and be glad, O Zion! Be radiant, O Pure Theotokos, in the Resurrection of your Son!