Yeah, The Great Adventures of Slick Rick dropped in 1988, but isn't it a bit early to relegate Uncle Ricky to the American Museum of Natural History? Of course we're only joking; the American Museum of Natural History isn't putting the eye patch and heavy gold rope behind glass just yet—they've just invited the legend to perform for their One Step Beyond party tonight. The Ruler will be joined by Video Music Box's Ralph McDaniels. Usually history is made outside the museum. This is an exception.