David Kilminster (born 25 January 1962) is a British guitarist, vocalist, songwriter, producer and music teacher, who has toured as a sideman to several prestigious musicians, including progressive rock artists Steven Wilson and Roger Waters. David Kilminster (born 25 January 1962) is a British guitarist, vocalist, songwriter, producer and music teacher, who has toured as a sideman to several prestigious musicians, including progressive rock artists Steven Wilson and Roger Waters.