The Whistle Register

Train of Thought is from the album exposed which features the whistle register. chante moore has such a nice and beautiful whistle. her whistles are so effortless and the swift transitions from chest to whistle are unbelievable.

Lowest Live Note: G#2
Highest Live Note: G#7

Lowest Note: D#3 (Oh, By The Way) (Studio)
Highest Note: F#7 (Ruby Tuesday) (Live)

Lowest Live Note: Eb2 (on T.V. Show)
Highest Live Note: Eb8 (Rumored B9) (on T.V. Show)

Lowest Studio Note: C3 (Kingdom Come)
Highest Studio Note: C7 (Spring Summer Feeling)

People have stated hearing her hit the same notes live in concert but there isn't any footage or recording yet to confirm it.

Erykah Badu's Vocal Range
Lowest Studio Note: D3
Highest Studio Note: B6
Highest Live Note: C7

Lowest Notes: B2
Highest Note: E6
Longest Note: 38 Seconds Sustained / 42 Seconds Held