XSI is a French Psychedelic-Trance Group composing three DJs who met and decided to make music together. DJ Bio aka Jean-Marc Segondy (27 years), DJ Cyril aka Cyril Montagnet (26 years) and DJ Spawn aka Barthelemy Bayona (21 years) started making music together under the project name 'X.S.I' in 2003 and released their first track, 'Vision', in 2004. Influenced by electronic music in general and later, after discovering psytrance, by the vibes of Astrix