English musician born David Ian Jackson in 1954. Initially associated with the British new wave scene; subsequent career has spanned jazz, classical, swing, and pop with frequent stylistic shifts.
Released over 20 studio albums starting with Look Sharp! (1979). Commercial peak years 1979-1984: I'm the Man (1979), Night and Day (1982, including "Steppin' Out"), and Body and Soul (1984). Subsequent work includes the symphonic Symphony No. 1 (1999) and the genre-spanning Volume 4 (2003).


