What is the ruling on chanting the poem "Zahrat al-Mada'in" (Flower of Cities), which includes phrases such as "O Jerusalem, O city of prayer" and "The child in the cave and his mother Mary, two faces weeping," and does its impermissibility increase due to its author being a Christian?

The verses of this poem contain Sharia prohibitions related to Christian beliefs, such as the sanctification of the Jordan River, and words of great repugnance like "the blazing wrath is coming" and "the overwhelming face of Allah is coming." It is not permissible to chant poems that include meanings contrary to Sharia.