Derek Showard, better known by the stage name GrandMixer DXT, is an American musician, one of the earliest to use turntables as a musical instrument in the 1980s. Early in his career, he was known as Grand Mixer D.ST, a reference to Delancey Street on the Lower East Side of Manhattan, New York City. He was featured in the influential hip hop film Wild Style. Widely recognized as a pioneer, Grand Mixer DXT is credited as being the first turntablist. Read more on Last.fm