Does anyone know about aghor mantra and the real one, and also does anyone know about the bhramani type of chanting.

Does anyone know about aghor mantra and the real one, and also does anyone know about the bhramani type of chanting for eg- I have heard that the aghore Mantra is in bhramani type of chanting I would really appreciate if anyone can clarify this for me and the spelling of the word bhramani might be wrong as I don't know the proper spelling of the word, please help me out on this