John Raptis is a musician-composer-producer from Athens Greece born on the 22nd of August 1969. He studied music theory classic and jazz guitar. He is teaching guitar and has participated in many pop and rock recordings as a session musician. John is also the owner of "Underground" studio (Greece) where he works as a sound engineer, and producer. His jazz –fusion group J.R.B. was formed by him in 2003 J.R.B. releases 2004 “TRIP” 2005 “The circle” 2013 “Ride the storm”