The head voice is resonant and piercing, full and fluid. Her vibrato is well developed and rolling, and can be executed with ease. Her timbre is velvety and luscious and makes for a perfect midrange. She is also able to sing complex melisma in all registers, with every register well connected..
Whitney's voice was most certainly dark, metallic and powerful, but it was also warm. A dramatic voice will not be warm at all, in fact it will be icy cold. Whitney's warm timbre means she cannot be a dramatic. Her great resonance (thanks to that amazing technique) tends to confuse some..
