"We celebrate Black Music Month. This has been Black magic." Truer words may have never been spoken behind the Tiny Desk as R&B goliath Usher caps off our month-long celebration of Black music, highlighting a catalog chock-full of hits spanning 25 years. It's been over two years since NPR headquarters was abuzz with chatter of a legend in the building. After an early morning rehearsal for his set at the Something in the Water Festival in Washington, D.C., he made his way over to deliver an unforgettable performance.