Which is the highest female singing voice?
Correct answer: Soprano

Coo
Minnie Ripperton was also able to sing in the Whistle Register. Her song "Loving You" was an excellent example of this.

Player Drdiego
The answer is wrong! Mariah Carey, Christina Aguilera and Arianna Grande can all sing notes in the Whistle Register.

Thomas GMitch
this is the closest I've ever seen majority vote be this tight in margin