Robert Fripp is an English musician, songwriter, record producer, and author. He was a member of the British progressive rock band King Crimson. Fripp developed a tape delay system known as Frippertronics, released solo albums, and collaborated with Brian Eno on the albums No Pussyfooting, Evening Star, and The Equatorial Stars. He also released popular songs Wind on Water, Evensong, and The Heavenly Music Corporation II with Brian Eno. Fripp is featured in the documentary In the Court of the Crimson King: King Crimson at 50.