Rihanna's D6 Head Note 

Love RIhanna shes very talented

Wow! Vocoder D6.

That's the Dream fyi

@Jovonnie19 Livin a lie --The Dream ft. Rihanna

@AaliyahDawnTEAM still can't, and i have really good hearing..i just don't

I CAN hear a flattish D

I dont hear anything.

i dont hear it

-_- That's not a D6. D6 is starting to go near to whistle register. This is no way close to that. And singing well has nothing to do with how high a note you can hit anyway.