GANG STARR x KEITHY E. aka "GURU" Demo Tape Tee In 1986 MC Keithy E (now known as GURU) completed a demo tape that featured the early members of GangStarr; John Johnson (formerly known as Beatmaster Jay), DJ Mikey Dee and Damo D (Beat Box). This demo tape earned MC Keithy E and crew the right to be heard throughout Boston and set the stage for Guru's legacy. The cover of the demo tape was constructed by the hands of GURU. 100% Cotton Size: Medium Condition: NWOT