Vocal Type: Contralto
Vocal Range:2 octaves and 4 notes. C#3- G#5
Vocal Pluses: A distinctive character that is present throughout the registers. Her midrange can be punchy, and full of attitude or soft and breathy. Versatile chest voice that can have a heavier rocky rasp to it when sung through the throat or a thinner, lighter more elastic tone when mixed with the head voice.
Vocal Negatives:Voice becomes harder to control the higher she belts, and the tone can become unstable.
Longest note:19 Seconds
This video demonstrates Fergie's sustained, held notes but the quoted highest and lowest notes are incorrect. The low B2 is actually a G3 and the high note at the end is an E5 not a C6.
Fergie Profile suggested by "Shopaholic". Thanking you!