Andrew Powell (born 18 April 1949, Surrey, England) is an English musical composer, arranger and performer, born of Welsh parents. He moved to Wales in 2003 and started studying Welsh prior to moving; he is now a fluent speaker. 　　Powell began taking piano lessons at the age of four and later attended King's College School, Wimbledon by which time he was also learning the viola, violin and orchestral percussion. He was writing music by the age of eleven and went on to study composition with Karlheinz Stockhausen and Gy?rgy Ligeti at Darmstadt in Germany before taking a master's degree in music King's College, Cambridge. While at Cambridge he joined an electronic music group, Intermodulation, with Roger Smalley, Tim Souster and Robin Thompson, and joined the local progressive rock group Henry Cow, formed by Fred Frith and Tim Hodgkinson, in which he alternated between bass and drums.