Like indie duo the Postal Service or transatlantic hip-hoppers Danger Doom, Jaylib was a collaboration by two geographically distant but musically simpatico folks, brought about by trading tapes and CDs back and forth through the mail. The collaboration began in 2000 when California turntablist J-Rocc (Jason Jackson) gave a disc of unreleased beats by producer/DJ J Dilla (James DeWitt Yancey) to producer and multi-instrumentalist Madlib (Otis Jackson, Jr.), whose reworking of one track later appeared on a mixtape. Continuing the cross-country collaboration on a casual basis be...