Peter Sinfield (born on December 27, 1943 in London, England) is most famously known as the lyricist for early incarnations of King Crimson. He contributed to In the Court of the Crimson King, In the Wake of Poseidon, Lizard and Islands, which he also produced. After having been asked to leave the group by Robert Fripp, Sinfield continued to be active in the progressive rock scene. He produced Roxy Music's first album Roxy Music, and later recorded a solo album, Still, in 1973. The album was later reissued on CD with additional tracks as Stillusion.

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