Robert Fripp has been an influential presence in contemporary music since he founded King Crimson in 1969. Renowned among fellow musicians for his electric and acoustic guitar technique, Fripp is also a producer, teacher, composer and writer. He has worked with Brian Eno, David Bowie and Talking Heads and has produced albums for Peter Gabriel and Darryl Hall. Eric Tamm is the author of "Brian Eno: The Vertical Colour of Sound".