Leo Crossing, A.K.A RoughMath first started out producing for adverts and recording various artists across the music spectrum; Rock, Metal, Indie and Dance. As Dubstep started showing it's face in more peoples lives Leo began receiving more requests to produce Dubstep, Drumstep and Drum & Bass inspired tracks.
After producing bass influenced tracks he then moved into the production of various bootleg remixes in the same style. These remixes included Kate Bush, Placebo, Robyn & Deftones, all of which helped to define his own unique sound. Read more on Last.fm