Producer Mike Free Says Big Sean’s “IDFWU” Was Originally For Justin BieberPaul ThompsonPaul ThompsonPublished: December 29, 2014SHARETWEETRelated: DJ Mustard’s 10 Biggest Hits Of 2014DJ Mustard’s Five Favorite Beats He Wishes He ProducedDJ Mustard Tells 5 Great Stories About His Best Beats
