Д°lahi Allah Hu Allah -

He closed his eyes. In the darkness of his mind, he stopped thinking about the grammar of the Arabic or the history of the melody. He felt the "Hu"—the Divine Breath—that the Sufis say was breathed into the first clay of man.

If you share what sparked your interest, I can find the exact details you're looking for. Д°lahi Allah Hu Allah

"What does it mean?" Selim whispered to an old gatekeeper sitting by the fire. He closed his eyes

When the song finally drifted into silence, the courtyard was still. The stars were out, and the well in Selim’s heart was no longer dry; it was overflowing. He hadn't found a new fact for his books, but he had found a presence that lived between the syllables. Д°lahi Allah Hu Allah