John Derek Yancey[1] (born October 13, 1986),[1] better known by his stage name Illa J, is an American rapper, singer, producer and songwriter[1] from Detroit, Michigan who has released two albums on Delicious Vinyl Records.

John Yancey was the youngest of four children including a sister (Martha) and two brothers (Earl and James).

[6] According to Slum Village founding member T3, before getting into music Illa J's main focus was basketball.

[7] In 2006, after the death of his brother, he decided to drop out of Central Michigan University, and continue the family's involvement with music.

[9] It is produced entirely by previously unused beats that were made by J Dilla and were left sitting at the offices of Delicious Vinyl over several years.