Rob Groves aka Master Grooves (Altered States) & Chris Pope aka Cheeky Munky (Sourpuss).

Unbalanced Jack is a UK based, dubstep & breakbeat crossover act that also delves into future garage and junglist beats. Taking a fresh approach to bass music production without the use of samples, alongside fresh UK vocalists, has helped Unbalanced Jack establish themselves alongside the top producers and DJs in the scene. DJ Cheeky Munky is responsible for reputable 10 year old Sourpuss clubnights. DJ Mag & guest DJs like the Stanton Warriors, Plump DJs & Nicky Blackmarket have hailed Sourpuss as one of the best events in the UK.