his brother Peter Giles and Geoffrey Richardson, among others, entitled Progress and which would not be released until 2002. Band members Lee Jackson - electric bass, acoustic 6 and 12 string guitars, percussion, harmonica, lead vocals Charlie Harcourt - electric and acoustic guitars, keyboards, vocals (first album only) Mario Enrique Covarrubias Tapia - bass, Spanish guitars, vocals (first album only) John Woods - drums, percussion Tommy Sloane - drums, percussion (first album only) Brian Chatton - keyboards, vocals (last three albums) John McBurnie - acoustic 6 and 12 string guitars, Mellotron, keyboards, percussion, vocals (last three albums) Guests Chris Laurence - bass on Bump 'n' Grind Bill Bell - banjo on Bump 'n' Grind Michael Giles - drums, percussions on the last three albums Ian Wallace - drums, percussions on Bump 'n' Grind Keith Emerson - Moog programming on Bump 'n' Grind Ian Green : Orchestra conductor (on Bump 'n' Grind) Johnny Van Derrick : Violin soloist (on Bump 'n' Grind) Alan Travers, Andy Babynchuk, Cathy Wei, Clare Farmer, David Woodcock, Eddy Roberts, Liz Edwards, Gavyn Wright, Godfrey Salmon, Jeff Grey, Louise Jopling, Paul Pearce : Violins (on Bump 'n' Grind) Brian Hawkins, Brian Mack, Don McVay, Jan Schlapp : Violas (on Bump 'n' Grind) Helen Liebmann, Lynden Cranham, Martin Robinson, Mike Hurwitz : Cello (on Bump 'n' Grind) Billy Bell : Banjo (on Bump 'n' Grind) Discography Studio albums King Progress (Charisma, 1970) The Fifth Avenue Bus (Vertigo, 1972) Ragamuffins Fool (Vertigo, 1972) Bump 'n' Grind (Vertigo, 1973) Best of 1973 : Caravan And Jackson Heights - Pop Made In England (Pop 1) - Motors Records - MT 44019 (Contained two songs of Jackson Heights and four from Caravan) 1973 : Jackson Heights - Verve Records 1976 : Attention! Jackson Heights - Fontana Special Singles 1970 "Doubting Thomas" / "Insomnia" (Charisma Records) JH 1 / JH 2 1970 "King Progress" / "Mister Screw" (Motors Records) MT 4 004 1972 "Maureen" / "Ragamuffins Fool" (Vertigo Records) 6059 077 1972 "Maureen" / "Long Time Dying" (Vertigo Records) 6059 068 1973 "Spaghetti Sunshine" / "Public Romance" (Vertigo Records) 6837 157 References English progressive rock groups English rock music groups Musical groups established in 1970 Musical groups disestablished in 1973 Vertigo Records artists Charisma Records artists