Dwayne Marsh, commonly known as D1, is a London-based dubstep artist. He is the son of 90s "jungle" artist, Michael Anthony Marsh. He first appeared on the Tempa’s Allstars Vol. 2 with the track “Crack Bong” in 2004. As of 2008, he has released a series of singles and appeared on many compilations, including Rinse Recordings’ ‘I Love Dubstep’.