Dig out that long lost box of vinyl records, slap on some headphones and travel back to the 1970s. Here's your definitive guide to progressive rock, with band histories, musical synopses and critical commentary, all presented in the historical context of a timeline. Album by album, we'll chart each release from the giant dinosaurs of the era and uncover eccentric Eurorock obscurities as we create the ultimate head music playlist. We'll trip through concept records, indulgent solos and epic album-side long compositions in a definitive reappraisal of rock's most cerebral and renowned genre. The candid prologue and epilogue offer one of the most coherent portraits of the progressive rock era, while the discography details offshoots, solo albums, side projects and more. From the British kings of prog, to the eclectic Italian progressives, heady German krautrock artists and European jazz fusion groups - it's all inside