Hallucinogen is Simon Posford, a producer of goa/psychedelic trance music from England, UK. His first album: Twisted, released in 1995 is considered one of the most influential goa trance albums in the history of the genre. The follow-ups, "Deranger" EP and "The Lone Deranger" album only cemented his influence. Simon Posford is also known for his collaboration with Raja Ram, together they form the cult psychedelic chillout act Shpongle. He has many other side projects such as Younger Brother (with Benji Vaughan)...
These are photos from concerts where Hallucinogen played, so they may be of other bands that played the concert as well.
Glastonbury Festival 2005 Jun 24 - 26, 2005 Shepton Mallet, England, United Kingdom Uploaded by Peter Nieuwkoop
Glastonbury Festival 2003 Jun 27 - 29, 2003 Shepton Mallet, England, United Kingdom Uploaded by Maf Daniel