The official trailer for 2 Turntables And A Microphone – The Life and Death of Jam Master Jay arrived in our office moments ago. We’re thrilled to share with you this glimpse at the upcoming documentary film that sheds light on the investigation of the unsolved murder of Jam Master Jay, RUN- DMC’s groundbreaking DJ and producer. The film also reveals a story, told by those who lived it, about the history of hip-hop and mainstream rap as we have come to know it. 2 Turntables And A Microphone is available on DVD from December 1st, 2009. Rest in Peace Jam Master Jay…