Growling Mad Scientists

GMS are a Dutch psychedelic trance duo which have attained significant popularity, beginning in the early 1990s. Formed by Shajahan Matkin and Joseph Quinteros in the city of Amsterdam, located in the west of The Netherlands, the duo has attracted a large international fanbase. GMS founded Spun Records in 1999, the first psychedelic trance label in the United States and Ibiza, Spain.