July 17 in Hip-Hop History: Guru, Boogie Down Productions + MoreJuly 17 in Hip-Hop History: Guru, Boogie Down Productions + MoreToday’s look at hip-hop history is bittersweet as we reflect on those who we have lost, like Eric Garner and Guru, as we also celebrate milestone releases in hip-hop and R&B.Tamara PalmerTamara Palmer