Dee Palmer, formerly David Palmer, was a long time keyboardist with Jethro Tull. Between 1969's Stand Up and 1979's Stormwatch, Dee was credited on 13 Tull albums.
A composer, arranger and conductor, between 1987 and 1996 she released 5 albums of symphonicly arranged tributes - links to the 4 of them listed on Proggnosis are below: