chanting

(noun) the act of singing in a monotonous tone. Synonyms: intonation.

(verb) recite with musical intonation; recite as a chant or a psalm. Synonyms: chant, intone, intonate, cantillate. Example: "The rabbi chanted a prayer."

(verb) utter monotonously and repetitively and rhythmically. Synonyms: tone, chant, intone. Example: "The students chanted the same slogan over and over again."