In the hospital Jackson signed a publishing deal with Columbia Records before he was dropped from the label and blacklisted by the recording industry because of his song, " Ghetto Qu'ran ". Unable to work in a . studio, he went to Canada.   With business partner Sha Money XL , Jackson recorded over thirty songs for mixtapes to build a reputation. In a HitQuarters interview, Marc Labelle of Shady Records A&R said that Jackson used the mixtape circuit to his advantage: "He took all the hottest beats from every artist and flipped them with better hooks. They then got into all the markets on the mixtapes and all the mixtape DJs were messing with them."  Jackson's popularity increased, and in 2002 he released the mixtape Guess Who's Back? . He then released 50 Cent Is the Future backed by G-Unit , a mixtape revisiting material by Jay-Z and Raphael Saadiq .