Rusko is a dubstep DJ/producer who is closely affiliated with Caspa, a fellow DJ/producer who is an influential figure within the dubstep community, not only as an artist but as the founder of several influential labels (i.e., Storming Productions, Dub Police, Sub Soldiers).

The two sometimes perform as the duo Caspa & Rusko, including a DJ set at the 2008 Glastonbury Festival. As a solo artist, Rusko (born Chris Mercer and originally from Leeds, England) made his production debut in 2006 on Dub Police with SNES Dub and released a double 12", Babylon, Vol. 1, on Sub Soldiers in 2007. The latte..