Based on a recent top 100 list from Prog Magazine and on Rolling Stone's Top 50, here's a history of Progressive Rock from 1967 onwards in 8 Volumes - each artist is limited to one track, taken from their highest ranking LP...
In this volume the following albums are featured...
Kansas - Leftoverture (1976)
Happy the Man - Happy the Man (1977)
UK - UK (1978)
Rush - Moving Pictures (1981)
Marillion - Clutching At Straws (1987)
IQ - Subterranea (1997)