Kanye West produced five out of 13 songs on Jay Z's 'The Blueprint'.
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35 Mind Blowing Hip-Hop Facts

30. Kanye West produced five out of 13 songs on Jay Z's 'The Blueprint'.
Before switching to being a rapper, Kanye's influence was being felt in studios across America thanks to his production skills and there is no finer example than his work on Jay Z's seminal album.