Decoder & Substance has been played on NTS shows including Jenkem Magazine, with (Slip & Slide) Suicide (Decoder & Substance Mix) first played on 20 October 2020.

Decoder & Substance are DJ's from the UK also know as Kosheen DJ's.

The duo is made up of Decoder, the stagename of drum & bass and jungle producer Darren Beale. And his partner in crime Substance, the stagename for Markee Morrison aka Mark Davis. Both part of the Bristol based alternative dance / drum'n'bass / rock outfit called Kosheen fronted by vocalist / songwriter Sian Evans.