 Discipline Global Mobile ( DGM , or Discipline GM ) is an independent record label founded in 1992 by Robert Fripp ( best known as guitarist and main composer for the band King Crimson ) and producer / online content developer David Singleton . DGM has released solo music by Fripp as well as work by various affiliated musicians and bands including King Crimson , The Vicar , the California Guitar Trio and others . The label has offices in Salisbury , England , and Los Angeles , California ; 
