Adrian Belew (born December 23, 1949 as Robert Steven Belew) is an American guitarist and vocalist (and sometimes drummer, pianist and bass player), perhaps best known for his work as a member of the progressive rock group King Crimson, which he first joined in 1981. He has also released a number of solo albums for Island Records and Atlantic Records, and has worked with many other musicians. In addition, Belew is well-regarded for his contributions, particularly on guitar, to various other artists' recordings.