B12 is a British electronic music duo consisting of Mike Golding and Steve Rutter. Golding and Rutter, who shy away from the press and rarely give interviews, have also released material under the monikers Musicology, Redcell and Cmetric, and distribute their material on their own B12 record label. Their sound is usually categorized as techno or intelligent dance music (IDM). They first released music together as Infamix with two Eps of "Bleep" Techno, and as Xray Xperiments, a breakbeat hardcore rave outfit.