intonation — the pattern or melody of pitch changes in connected speech, especially the pitch pattern of a sentence, which distinguishes kinds of sentences or speakers of different language cultures.
singing — to utter words or sounds in succession with musical modulations of the voice; vocalize melodically.
chanting — Say or shout repeatedly in a sing-song tone.
adjective intoning
stagy — of, relating to, or suggestive of the stage.
oratorical — of, relating to, or characteristic of an orator or oratory: His oratorical prowess has led to political success.
senatorial — of, pertaining to, characteristic of, or befitting a senator or senate: senatorial oratory.
gesticulative — to make or use gestures, especially in an animated or excited manner with or instead of speech.