R-Zac has been played on NTS in shows including Smerz, featured first on 11 January 2018. Songs played include Apocalyptic Heroes, Speaker Burn and Junk Yard On Ice.

The concept of R-zac was realized by Simon (a.k.a Crystal Distortion), and Sebastian (a.k.a 69db) in mid 1994 while they were both still travelling with the Spiral Tribe Soundsystem.