album_presenter.description.discover album_name=A History Of Progressive Rock, artist_name=Caravan, records_count=1, countries_count=1, countries=EU, media=Double CD, year_range=2004album_presenter.description.releases album_name=A History Of Progressive Rock, artist_name=Caravan, records_count=1, countries_count=1, countries=EU, media=Double CD, year_range=2004album_presenter.description.countries album_name=A History Of Progressive Rock, artist_name=Caravan, records_count=1, countries_count=1, countries=EU, media=Double CD, year_range=2004album_presenter.description.media album_name=A History Of Progressive Rock, artist_name=Caravan, records_count=1, countries_count=1, countries=EU, media=Double CD, year_range=2004