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A definitive guide to Progressive Rock music.

Everything from the history and the critical thrashing, to the complex development this musical genre has gone through from it's beginnings in 1967 to the present day.
For the first time a definition of what Progressive Rock actually is...and it's probably not what you think.

Also included is a comprehensive A-Z listing of over 1400 Progressive Rock bands each with a brief musical description and record discography.

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