GMS (music group)

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GMS (Growling Mad Scientists)
GMS Press 2009.jpg
Background information
Origin Amsterdam, Netherlands
Genres Psychedelic trance
Years active 1995–present
Labels Starbox, Spun Records, TIP World
Associated acts 1200 Micrograms, Alien Jesus, C.R.M.B., Electric Scientists, Growling Machines, Growling Mad Synchro, Growling Moon Spirits, Growlmonizer, Harmonix, Inner Reflextions, Meathead Productions, Riktam & Bansi, Soundaholix, Sound Farmers, Spacedrifters, Systembusters, Twisted Allstars, Zorba
Members Riktam Matkin
Bansi Quinteros
Past members Sebastion Claro
Yakov (Jacob Biton)

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 (2010). Formed by Shajahan Matkin (also known as Riktam) and Joseph Quinteros (also known as Bansi) 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.[citation needed]

In 2008, GMS left Spun Records to further concentrate on their own careers and had created in 2009 a new label to release all of their music from their own various bands called Starbox Music.

They have sold over 350.000 copies worldwide. Director Tony Scott used GMS tracks in his films Man on Fire, Domino and Unstoppable.

GMS won the Psy-Trance award twice (in 2001 and 2009) at the DJ Awards in Ibiza, Spain.



Shajahan Matkin (Riktam) 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 to Goa to experience his first trance parties. After returning to Amsterdam in 1995 from another trip to India, he started making music with his friend Bansi. They created a group called the Growling Mad Scientists or GMS as it became known. Now he lives in Ibiza, Spain and DJs and produces live shows around the world at various functions.


Joseph Quinteros (Bansi) who was born in Barcelona in 1976. He played the drums for 6 years, starting at the age of 11. He also played bass and guitar, since his father was a musician. At 14 he met Riktam and after going to Goa together they founded GMS. He also now lives in Ibiza and tours the world on a constant basis.




  • Genetic Process (Spun, 2002)
  • Genetic Process "Part Dose" (Spun, 2002)
  • Spunout (Spun, 2003)
  • Pressure (Spun, 2003)
  • Zero-1 (Spun, 2003)
  • Hypernova (Spun, 2004)
  • XXL (Spun, 2004)
  • Remote Viewing (Spun, 2005)
  • Zero Gravity (Spun, 2005)
  • The Outer Limits (Spun, 2005)
  • Spunout in Ibiza (Spun, 2007)



Ibiza DJ Awards
  • 2001 Best International DJ Psychedelic Trance[1]
  • 2009 Best International DJ Psychedelic Trance[2]

External links[edit]


  1. ^ "Ibiza DJ Awards 2001 award page". Archived from the original on 2009-02-06. 
  2. ^ "Ibiza DJ Awards 2009 award page". Archived from the original on 2011-09-26.