Blues-- and more widely, music in general-- lost a legend last night. Revolutionary blues guitarist B.B. King passed away at age 89 in Las Vegas. His daughter, Patty, said he'd been in hospice care for the past two weeks for dehydration.

Even after being diagnosed with diabetes almost 30 years ago, King pursued a relentless touring schedule, often performing 300 shows per year. Today, hip hop mourns the loss of one of America's true musical mavericks. Read artists' reactions to the news below.

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