Rob Smith is an English DJ, musician and remixer from Bristol, England. Previously on the now defunct Grand Central Records independent record label, playing breakbeat hip-hop, dub and reggae-influenced music, more recently producing dubstep tracks as RSD on a number of labels.
Smith was formerly a Drum & Bass/Jungle DJ, most notably alongside Ray Mighty and Peter D Rose in Smith & Mighty on the !K7 Records label. Smith and Rose also produced music under the moniker of More Rockers.