* Syncopation: Jazz singing often features syncopated rhythms, which can create a sense of tension and release.
* Call and response: Jazz singers often use call and response techniques, where one singer sings a phrase and the other singers respond with a different phrase.
* Scatting: Scatting is a vocal technique that involves singing nonsense syllables, which can be used to create a variety of effects, from adding a playful element to the music to creating a sense of urgency or excitement.
* Melisma: Melisma is a vocal technique that involves singing multiple notes on a single syllable, which can create a sense of virtuosity and excitement.
* Blue notes: Blue notes are notes that are slightly flattened or sharpened, which can create a sense of melancholy or longing.
* Timbre: Jazz singers use a variety of vocal timbres, from a clear, pure sound to a gritty, soulful sound, to create different effects and express different emotions.
* Dynamics: Jazz singers use a variety of dynamics, from soft and intimate to loud and powerful, to create drama and excitement.