According to wikipedia;
"Before the duo's foundation, [Shay] Mooney was a solo artist on T-Pain's Nappy Boy Entertainment label,. . ."
So, no surprise if pitch correction might be in use. At least it's not "Cher-ish". And, I confess, I use it often enough on myself and others I record. The free MAutoPitch from Melda Production.
The article also alludes to the duo being headed for a pretty big career.


Does the noise in your head bother me ?