Related Information for Sigma "Sigma" can refer to;1. A United Kingdom-based Drum and Bass collective2. An Arizona, USA based punk-rock band3. One of the many pseudonyms of Canadian electronic artist Renard.4. A Psy-Trance artist from Ramat-Gan, Israel5. A boy group from Taiwan Sigma (Σ) is a British drum and bass duo consisting of Cameron Edwards and Joe Lenzie. They met at Leeds University at drum and bass nights. Their 2010 collaboration with DJ Fresh "Lassitude.. read more