There is more than one artist/band named KGB.
1. KGB was a seventies "Super Group" Blues/Rock band, featuring Ray Kennedy, Rick Grech, Mike Bloomfield, Carmine Appice and Barry Goldberg.
The band released two albums
1976 (self titled) KGB
1976 Motion
2. American hip hop group from 90s affiliated with the Wu-Tang Clan, releasing, among others, the LP "Freek Tha Flo" in 1994. Members: Asiatic, Kurtis Burton, Raheem.
3. A classically trained pianist who remains one of the youngest vocal soloists ever to perform with the Russian Philharmonic Read more on Last.fm