D'Angelo 's sudden death from pancreatic cancer has completely shattered the hip hop and R&B world ... several of his collaborators and admiring peers are mourning the loss and memorializing his legacy. DJ Premier , who produced several classic records for D'Angelo -- including their well-placed "Devil's Pie" track -- sent out a loving tribute remembering the "many" good times they had together. The Alchemist and Tyler, The Creator also sent out RIP tweets. Jill Scott , who was equally