A: MARTIN CAMPBELL & HI-TECH ROOTS DYNAMICS – Richman (Original 1981 version)rn B: HI-TECH ROOTS DYNAMICS – Richman (Alien Dread Extended Mix)rn* Original version and Alien Dread extended version of Martin’s in demand Roots track. Single in Log On/Channel One UK Picture Sleeve. rn* All numbered.rn* Produced by Martin Campbell at Channel One (Uk). Roots Vocal track and Dub. All rhythms by Martin Campbell and the Hi-Tech’s. Recorded at Channel One (UK). Produced by: Martin Campbell. Limited edition.