"The participants in the 2007 study formed a similar consensus including, "loud, clear, strong, powerful," "pure chest voice," and "related to the spoken voice, supported telling or calling"
LoVetri, Jeannette L., Amanda Chmela, Joseph Cocozziello, and Melanie Vaughan. “A Demographic Study of Professional Belters: Who They Are and What They Do.” Journal of Voice, January 1, 2021.pg 4