chant

noun

• 1a repeated rhythmic phrase, typically one shouted or sung in unison by a crowd.
• a monotonous or repetitive song, typically an incantation or part of a ritual.

• 2 Music a short musical passage in two or more phrases used for singing unmetrical words; a psalm or canticle sung to such music.
• the style of music consisting of chants:Gregorian chant

verb

• say or shout repeatedly in a singsong tone:protesters were chanting slogans [with direct speech]:the crowd chanted, “No violence!”
• sing or intone (a psalm, canticle, or sacred text).