Johntá Austin (Johnta Austin)
Johntá Austin (born June 28, 1980) is an American singer-songwriter, who is signed to Jermaine Dupri's So So Def Recordings. He is commonly known for collaborating with producers Bryan-Michael Cox, Jermaine Dupri & The Production Team StarGate. Austin was awarded two Grammy Awards for his work on the songs "We Belong Together" by Mariah Carey and "Be Without You" by Mary J. Blige.
source: Wikipedia