GMS (also known as the Growling Mad Scientists) is a Dutch psychedelic trance duo which has attained significant popularity from the early 1990s to the present time (2007). Formed by Sajahan Matkin (also known as Riktam) and Joe Quinteros (also known as Bansi) in the city of Amsterdam, located in the northern part of The Netherlands, the duo has attracted a large international fanbase. GMS are known for their consistent audio expansions, exhibited by the list of albums. GMS founded Spun Records in 1999 and it became the first psychedelic trance label in Ibiza - Spain. With the first two releases: ?GMS Vs Systembusters?, and ?Genetic Process?, Spun established itself in the scene as a label of quality and exclusive releases. Members Sajahan Matkin was born in 1976 in Amsterdam Holland.He met his co-member Bansi in a coffee shop when he was 14 years old.When he was 15 he left school and went to India where he travelled