Dillinja
Arguably
the most prolific producer within the drum and bass scene (with over
500 releases produced since 1991), Francis subsequently set up Valve
Recordings in partnership with long-term collaborator Lemon D (Kevin
King), with whom he also designed and built the Valve Sound System.
Purported to be the most bass-heavy system in the world (contrary to
rumour it is not the loudest[citation needed]), it is the only sound
system to have been purpose-built for drum and bass.