Korry Deez began rapping in high school, trading verses with rhyme partner Black Cat between classes. The two would go on to found the game-changing crew IRS, Instinctive Reaction to Struggle. Known for their anthemic hits such as "Strictly for the Heads", IRS was nominated at the 2004 Junos for putting out the Best Hip-Hop Album of the year. As a member of Toronto's massive Monolith collective, Korry Deez is known for his role on a variety of classic tracks, such as Kardinal Offishall's "Ol' Time Killin'".