T.I. , Gucci Mane and Jeezy are all Atlanta-based trap music pioneers .
Jeezy is also known for helping pioneer the hip hop subgenre trap music , alongside fellow Atlanta-based rappers T.I . and Gucci Mane.  embarked on his music career in 2001 , as Lil J , with the release of Thuggin ' Under the Influence ( T.U.I . ) .
Jeezy